28375416 has 48 divisors (see below), whose sum is σ = 79335360. Its totient is φ = 9152640.

The previous prime is 28375393. The next prime is 28375421. The reversal of 28375416 is 61457382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4125 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (1652820).

Almost surely, 2^28375416 is an apocalyptic number.

It is an amenable number.

28375416 is an abundant number, since it is smaller than the sum of its proper divisors (50959944).

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

28375416 is a wasteful number, since it uses less digits than its factorization.

28375416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756 (or 12749 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 28375416 is about 5326.8579857173. The cubic root of 28375416 is about 305.0100005679.

The spelling of 28375416 in words is "twenty-eight million, three hundred seventy-five thousand, four hundred sixteen".