28677492 has 36 divisors (see below), whose sum is σ = 72872800. Its totient is φ = 9508752.

The previous prime is 28677461. The next prime is 28677497. The reversal of 28677492 is 29477682.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28677497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5163 + ... + 9165.

Almost surely, 2^28677492 is an apocalyptic number.

It is an amenable number.

28677492 is an abundant number, since it is smaller than the sum of its proper divisors (44195308).

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

28677492 is a wasteful number, since it uses less digits than its factorization.

28677492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4207 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 28677492 is about 5355.1369730381. The cubic root of 28677492 is about 306.0885300683.

The spelling of 28677492 in words is "twenty-eight million, six hundred seventy-seven thousand, four hundred ninety-two".