28599402 has 32 divisors (see below), whose sum is σ = 61826688. Its totient is φ = 8767296.

The previous prime is 28599401. The next prime is 28599433. The reversal of 28599402 is 20499582.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (28599401) 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, 28603 + ... + 29585.

It is an arithmetic number, because the mean of its divisors is an integer number (1932084).

Almost surely, 2^28599402 is an apocalyptic number.

28599402 is an abundant number, since it is smaller than the sum of its proper divisors (33227286).

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

28599402 is a wasteful number, since it uses less digits than its factorization.

28599402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 28599402 is about 5347.8408727261. The cubic root of 28599402 is about 305.8104469176.

The spelling of 28599402 in words is "twenty-eight million, five hundred ninety-nine thousand, four hundred two".