28994516 has 12 divisors (see below), whose sum is σ = 50944320. Its totient is φ = 14439000.

The previous prime is 28994507. The next prime is 28994527. The reversal of 28994516 is 61549982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13436 + ... + 15443.

It is an arithmetic number, because the mean of its divisors is an integer number (4245360).

Almost surely, 2^28994516 is an apocalyptic number.

It is an amenable number.

28994516 is a deficient number, since it is larger than the sum of its proper divisors (21949804).

28994516 is a wasteful number, since it uses less digits than its factorization.

28994516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29134 (or 29132 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 28994516 is about 5384.6556064432. The cubic root of 28994516 is about 307.2123151575.

The spelling of 28994516 in words is "twenty-eight million, nine hundred ninety-four thousand, five hundred sixteen".