15797838 has 32 divisors (see below), whose sum is σ = 36290304. Its totient is φ = 4491072.

The previous prime is 15797819. The next prime is 15797843. The reversal of 15797838 is 83879751.

15797838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 8706 + ... + 10362.

It is an arithmetic number, because the mean of its divisors is an integer number (1134072).

Almost surely, 2^15797838 is an apocalyptic number.

15797838 is an abundant number, since it is smaller than the sum of its proper divisors (20492466).

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

15797838 is a wasteful number, since it uses less digits than its factorization.

15797838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 423360, while the sum is 48.

The square root of 15797838 is about 3974.6494185022. The cubic root of 15797838 is about 250.9184245206.

The spelling of 15797838 in words is "fifteen million, seven hundred ninety-seven thousand, eight hundred thirty-eight".