3749340 has 96 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 838656.

The previous prime is 3749329. The next prime is 3749363. The reversal of 3749340 is 439473.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3749298 and 3749307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33124 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

Almost surely, 2^3749340 is an apocalyptic number.

3749340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3749340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6128640).

3749340 is an abundant number, since it is smaller than the sum of its proper divisors (8507940).

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

3749340 is a wasteful number, since it uses less digits than its factorization.

3749340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3749340 is about 1936.3212543377. The cubic root of 3749340 is about 155.3525102142.

The spelling of 3749340 in words is "three million, seven hundred forty-nine thousand, three hundred forty".