28962812 has 12 divisors (see below), whose sum is σ = 50832600. Its totient is φ = 14439216.

The previous prime is 28962811. The next prime is 28962839. The reversal of 28962812 is 21826982.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28962811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (4236050).

Almost surely, 2^28962812 is an apocalyptic number.

It is an amenable number.

28962812 is a deficient number, since it is larger than the sum of its proper divisors (21869788).

28962812 is a wasteful number, since it uses less digits than its factorization.

28962812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100 (or 21098 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 28962812 is about 5381.7108803800. The cubic root of 28962812 is about 307.1003007406.

The spelling of 28962812 in words is "twenty-eight million, nine hundred sixty-two thousand, eight hundred twelve".