15828042 has 32 divisors (see below), whose sum is σ = 33454080. Its totient is φ = 4984560.

The previous prime is 15828041. The next prime is 15828047. The reversal of 15828042 is 24082851.

It is not an unprimeable number, because it can be changed into a prime (15828041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7009 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (1045440).

Almost surely, 2^15828042 is an apocalyptic number.

15828042 is an abundant number, since it is smaller than the sum of its proper divisors (17626038).

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

15828042 is a wasteful number, since it uses less digits than its factorization.

15828042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 15828042 is about 3978.4471845181. The cubic root of 15828042 is about 251.0782336301.

The spelling of 15828042 in words is "fifteen million, eight hundred twenty-eight thousand, forty-two".