3728136 has 32 divisors (see below), whose sum is σ = 9387360. Its totient is φ = 1233792.

The previous prime is 3728113. The next prime is 3728141. The reversal of 3728136 is 6318273.

It is an Ulam 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, 3436 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (293355).

Almost surely, 2^3728136 is an apocalyptic number.

It is an amenable number.

3728136 is an abundant number, since it is smaller than the sum of its proper divisors (5659224).

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

3728136 is a wasteful number, since it uses less digits than its factorization.

3728136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3728136 is about 1930.8381599709. The cubic root of 3728136 is about 155.0590964389.

The spelling of 3728136 in words is "three million, seven hundred twenty-eight thousand, one hundred thirty-six".