28921202 has 16 divisors (see below), whose sum is σ = 45146112. Its totient is φ = 13880160.

The previous prime is 28921201. The next prime is 28921219. The reversal of 28921202 is 20212982.

It is not an unprimeable number, because it can be changed into a prime (28921201) 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, 6038 + ... + 9710.

It is an arithmetic number, because the mean of its divisors is an integer number (2821632).

Almost surely, 2^28921202 is an apocalyptic number.

28921202 is a deficient number, since it is larger than the sum of its proper divisors (16224910).

28921202 is a wasteful number, since it uses less digits than its factorization.

28921202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 28921202 is about 5377.8436198908. The cubic root of 28921202 is about 306.9531630033.

The spelling of 28921202 in words is "twenty-eight million, nine hundred twenty-one thousand, two hundred two".