28580496 has 40 divisors (see below), whose sum is σ = 84381504. Its totient is φ = 8165760.

The previous prime is 28580483. The next prime is 28580501. The reversal of 28580496 is 69408582.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 42195 + ... + 42866.

Almost surely, 2^28580496 is an apocalyptic number.

It is an amenable number.

28580496 is an abundant number, since it is smaller than the sum of its proper divisors (55801008).

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

28580496 is a wasteful number, since it uses less digits than its factorization.

28580496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85079 (or 85073 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28580496 is about 5346.0729512419. The cubic root of 28580496 is about 305.7430454292.

The spelling of 28580496 in words is "twenty-eight million, five hundred eighty thousand, four hundred ninety-six".