28946712 has 16 divisors (see below), whose sum is σ = 72366840. Its totient is φ = 9648896.

The previous prime is 28946707. The next prime is 28946713. The reversal of 28946712 is 21764982.

It is a super-2 number, since 2×28946712² = 1675824271221888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28946713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603033 + ... + 603080.

Almost surely, 2^28946712 is an apocalyptic number.

It is an amenable number.

28946712 is an abundant number, since it is smaller than the sum of its proper divisors (43420128).

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

28946712 is a wasteful number, since it uses less digits than its factorization.

28946712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206122 (or 1206118 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 28946712 is about 5380.2148655978. The cubic root of 28946712 is about 307.0433860175.

The spelling of 28946712 in words is "twenty-eight million, nine hundred forty-six thousand, seven hundred twelve".