28465894 has 8 divisors (see below), whose sum is σ = 43399008. Its totient is φ = 13999560.

The previous prime is 28465891. The next prime is 28465901. The reversal of 28465894 is 49856482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28465891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116542 + ... + 116785.

It is an arithmetic number, because the mean of its divisors is an integer number (5424876).

Almost surely, 2^28465894 is an apocalyptic number.

28465894 is a deficient number, since it is larger than the sum of its proper divisors (14933114).

28465894 is a wasteful number, since it uses less digits than its factorization.

28465894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233390.

The product of its digits is 552960, while the sum is 46.

The square root of 28465894 is about 5335.3438502125. The cubic root of 28465894 is about 305.3338421053. Note that the first 3 decimals are identical.

The spelling of 28465894 in words is "twenty-eight million, four hundred sixty-five thousand, eight hundred ninety-four".