28695090 has 16 divisors (see below), whose sum is σ = 68868288. Its totient is φ = 7652016.

The previous prime is 28695089. The next prime is 28695103. The reversal of 28695090 is 9059682.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478222 + ... + 478281.

It is an arithmetic number, because the mean of its divisors is an integer number (4304268).

Almost surely, 2^28695090 is an apocalyptic number.

28695090 is an abundant number, since it is smaller than the sum of its proper divisors (40173198).

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

28695090 is a wasteful number, since it uses less digits than its factorization.

28695090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956513.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 28695090 is about 5356.7798162702. The cubic root of 28695090 is about 306.1511278773.

The spelling of 28695090 in words is "twenty-eight million, six hundred ninety-five thousand, ninety".