28601612 has 24 divisors (see below), whose sum is σ = 56742000. Its totient is φ = 12505536.

The previous prime is 28601603. The next prime is 28601647. The reversal of 28601612 is 21610682.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 13487 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (2364250).

Almost surely, 2^28601612 is an apocalyptic number.

It is an amenable number.

28601612 is a deficient number, since it is larger than the sum of its proper divisors (28140388).

28601612 is a wasteful number, since it uses less digits than its factorization.

28601612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28985 (or 28983 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 28601612 is about 5348.0474941795. The cubic root of 28601612 is about 305.8183238152.

The spelling of 28601612 in words is "twenty-eight million, six hundred one thousand, six hundred twelve".