3731406 has 16 divisors (see below), whose sum is σ = 8529024. Its totient is φ = 1066104.

The previous prime is 3731393. The next prime is 3731417. The reversal of 3731406 is 6041373.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44380 + ... + 44463.

It is an arithmetic number, because the mean of its divisors is an integer number (533064).

Almost surely, 2^3731406 is an apocalyptic number.

3731406 is an abundant number, since it is smaller than the sum of its proper divisors (4797618).

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

3731406 is a wasteful number, since it uses less digits than its factorization.

3731406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88855.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3731406 is about 1931.6847568897. The cubic root of 3731406 is about 155.1044180216.

Adding to 3731406 its reverse (6041373), we get a palindrome (9772779).

The spelling of 3731406 in words is "three million, seven hundred thirty-one thousand, four hundred six".