28964516 has 48 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 12004608.

The previous prime is 28964497. The next prime is 28964539. The reversal of 28964516 is 61546982.

It is a happy number.

It is a super-2 number, since 2×28964516² = 1677886374228512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146930 + ... + 147126.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^28964516 is an apocalyptic number.

It is an amenable number.

28964516 is an abundant number, since it is smaller than the sum of its proper divisors (30910684).

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

28964516 is a wasteful number, since it uses less digits than its factorization.

28964516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 354 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 28964516 is about 5381.8691920187. The cubic root of 28964516 is about 307.1063232757.

It can be divided in two parts, 289 and 64516, that multiplied together give a square (18645124 = 4318²).

The spelling of 28964516 in words is "twenty-eight million, nine hundred sixty-four thousand, five hundred sixteen".