28463090 has 16 divisors (see below), whose sum is σ = 51810840. Its totient is φ = 11256960.

The previous prime is 28463077. The next prime is 28463129. The reversal of 28463090 is 9036482.

It can be written as a sum of positive squares in 4 ways, for example, as 11015761 + 17447329 = 3319^2 + 4177^2 .

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, 15101 + ... + 16880.

Almost surely, 2^28463090 is an apocalyptic number.

28463090 is a deficient number, since it is larger than the sum of its proper divisors (23347750).

28463090 is a wasteful number, since it uses less digits than its factorization.

28463090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32077.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 28463090 is about 5335.0810678002. The cubic root of 28463090 is about 305.3238162570.

The spelling of 28463090 in words is "twenty-eight million, four hundred sixty-three thousand, ninety".