4138732 has 48 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 1753920.

The previous prime is 4138723. The next prime is 4138741. The reversal of 4138732 is 2378314.

It is an interprime number because it is at equal distance from previous prime (4138723) and next prime (4138741).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4138732.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58257 + ... + 58327.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

Almost surely, 2^4138732 is an apocalyptic number.

It is an amenable number.

4138732 is an abundant number, since it is smaller than the sum of its proper divisors (4328468).

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

4138732 is a wasteful number, since it uses less digits than its factorization.

4138732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 4138732 is about 2034.3873770745. The cubic root of 4138732 is about 160.5544824628.

The spelling of 4138732 in words is "four million, one hundred thirty-eight thousand, seven hundred thirty-two".