28846664 has 32 divisors (see below), whose sum is σ = 67435200. Its totient is φ = 11238720.

The previous prime is 28846663. The next prime is 28846667. The reversal of 28846664 is 46664882.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (28846663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22799 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (2107350).

Almost surely, 2^28846664 is an apocalyptic number.

It is an amenable number.

28846664 is an abundant number, since it is smaller than the sum of its proper divisors (38588536).

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

28846664 is a wasteful number, since it uses less digits than its factorization.

28846664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46853 (or 46849 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 28846664 is about 5370.9090478242. The cubic root of 28846664 is about 306.6892348441.

The spelling of 28846664 in words is "twenty-eight million, eight hundred forty-six thousand, six hundred sixty-four".