28916770 has 16 divisors (see below), whose sum is σ = 53845560. Its totient is φ = 11167744.

The previous prime is 28916761. The next prime is 28916801. The reversal of 28916770 is 7761982.

It can be written as a sum of positive squares in 4 ways, for example, as 19263321 + 9653449 = 4389^2 + 3107^2 .

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, 49567 + ... + 50146.

Almost surely, 2^28916770 is an apocalyptic number.

28916770 is a deficient number, since it is larger than the sum of its proper divisors (24928790).

28916770 is a wasteful number, since it uses less digits than its factorization.

28916770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99749.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 28916770 is about 5377.4315430324. The cubic root of 28916770 is about 306.9374826279.

The spelling of 28916770 in words is "twenty-eight million, nine hundred sixteen thousand, seven hundred seventy".