28966344 has 32 divisors (see below), whose sum is σ = 78999840. Its totient is φ = 8777600.

The previous prime is 28966319. The next prime is 28966363. The reversal of 28966344 is 44366982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28966296 and 28966305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54597 + ... + 55124.

It is an arithmetic number, because the mean of its divisors is an integer number (2468745).

Almost surely, 2^28966344 is an apocalyptic number.

28966344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28966344 is an abundant number, since it is smaller than the sum of its proper divisors (50033496).

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

28966344 is a wasteful number, since it uses less digits than its factorization.

28966344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109741 (or 109737 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 28966344 is about 5382.0390188106. The cubic root of 28966344 is about 307.1127838077.

The spelling of 28966344 in words is "twenty-eight million, nine hundred sixty-six thousand, three hundred forty-four".