3752406 has 48 divisors (see below), whose sum is σ = 9644544. Its totient is φ = 1071144.

The previous prime is 3752401. The next prime is 3752407. The reversal of 3752406 is 6042573.

It is a happy number.

3752406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3752406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3752401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2851 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (200928).

Almost surely, 2^3752406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3752406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4822272).

3752406 is an abundant number, since it is smaller than the sum of its proper divisors (5892138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3752406 is a wasteful number, since it uses less digits than its factorization.

3752406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3752406 is about 1937.1128000197. The cubic root of 3752406 is about 155.3948448671.

Adding to 3752406 its reverse (6042573), we get a palindrome (9794979).

The spelling of 3752406 in words is "three million, seven hundred fifty-two thousand, four hundred six".