28607612 has 24 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 12949760.

The previous prime is 28607609. The next prime is 28607629. The reversal of 28607612 is 21670682.

It is a congruent number.

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, 10628 + ... + 13044.

It is an arithmetic number, because the mean of its divisors is an integer number (2285010).

Almost surely, 2^28607612 is an apocalyptic number.

28607612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28607612 is a deficient number, since it is larger than the sum of its proper divisors (26232628).

28607612 is a wasteful number, since it uses less digits than its factorization.

28607612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28607612 is about 5348.6084171493. The cubic root of 28607612 is about 305.8397070114.

The spelling of 28607612 in words is "twenty-eight million, six hundred seven thousand, six hundred twelve".