28375461 has 16 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 18873504.

The previous prime is 28375441. The next prime is 28375469. The reversal of 28375461 is 16457382.

It is not a de Polignac number, because 28375461 - 2⁹ = 28374949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28375469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14440 + ... + 16286.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^28375461 is an apocalyptic number.

It is an amenable number.

28375461 is a deficient number, since it is larger than the sum of its proper divisors (13758939).

28375461 is a wasteful number, since it uses less digits than its factorization.

28375461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2419 counting only the distinct ones).

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

The square root of 28375461 is about 5326.8622095939. The cubic root of 28375461 is about 305.0101618042.

The spelling of 28375461 in words is "twenty-eight million, three hundred seventy-five thousand, four hundred sixty-one".