408028872 has 32 divisors (see below), whose sum is σ = 1020578400. Its totient is φ = 135942144.

The previous prime is 408028871. The next prime is 408028891. The reversal of 408028872 is 278820804.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 408028872.

It is not an unprimeable number, because it can be changed into a prime (408028871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77343 + ... + 82449.

It is an arithmetic number, because the mean of its divisors is an integer number (31893075).

Almost surely, 2^408028872 is an apocalyptic number.

It is an amenable number.

408028872 is an abundant number, since it is smaller than the sum of its proper divisors (612549528).

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

408028872 is a wasteful number, since it uses less digits than its factorization.

408028872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445 (or 8441 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 408028872 is about 20199.7245525774. The cubic root of 408028872 is about 741.7034485034.

The spelling of 408028872 in words is "four hundred eight million, twenty-eight thousand, eight hundred seventy-two".