28410642 has 32 divisors (see below), whose sum is σ = 67992960. Its totient is φ = 8741520.

The previous prime is 28410637. The next prime is 28410661. The reversal of 28410642 is 24601482.

28410642 is a `hidden beast` number, since 2 + 8 + 4 + 10 + 642 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19534 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (2124780).

Almost surely, 2^28410642 is an apocalyptic number.

28410642 is an abundant number, since it is smaller than the sum of its proper divisors (39582318).

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

28410642 is a wasteful number, since it uses less digits than its factorization.

28410642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40495 (or 40489 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 28410642 is about 5330.1634121291. The cubic root of 28410642 is about 305.1361642309.

The spelling of 28410642 in words is "twenty-eight million, four hundred ten thousand, six hundred forty-two".