28760236 has 12 divisors (see below), whose sum is σ = 50464512. Its totient is φ = 14341808.

The previous prime is 28760213. The next prime is 28760323. The reversal of 28760236 is 63206782.

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, 7855 + ... + 10918.

It is an arithmetic number, because the mean of its divisors is an integer number (4205376).

Almost surely, 2^28760236 is an apocalyptic number.

It is an amenable number.

28760236 is a deficient number, since it is larger than the sum of its proper divisors (21704276).

28760236 is a wasteful number, since it uses less digits than its factorization.

28760236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19160 (or 19158 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 28760236 is about 5362.8570743588. The cubic root of 28760236 is about 306.3826360917.

The spelling of 28760236 in words is "twenty-eight million, seven hundred sixty thousand, two hundred thirty-six".