28615476 has 12 divisors (see below), whose sum is σ = 66769472. Its totient is φ = 9538488.

The previous prime is 28615451. The next prime is 28615493. The reversal of 28615476 is 67451682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192300 + ... + 1192323.

Almost surely, 2^28615476 is an apocalyptic number.

It is an amenable number.

28615476 is an abundant number, since it is smaller than the sum of its proper divisors (38153996).

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

28615476 is a wasteful number, since it uses less digits than its factorization.

28615476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384630 (or 2384628 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 28615476 is about 5349.3435111236. The cubic root of 28615476 is about 305.8677287271.

The spelling of 28615476 in words is "twenty-eight million, six hundred fifteen thousand, four hundred seventy-six".