28877914 has 16 divisors (see below), whose sum is σ = 46752552. Its totient is φ = 13298688.

The previous prime is 28877911. The next prime is 28877969. The reversal of 28877914 is 41977882.

It can be written as a sum of positive squares in 4 ways, for example, as 12837889 + 16040025 = 3583^2 + 4005^2 .

It is not an unprimeable number, because it can be changed into a prime (28877911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14482 + ... + 16354.

Almost surely, 2^28877914 is an apocalyptic number.

28877914 is a deficient number, since it is larger than the sum of its proper divisors (17874638).

28877914 is a wasteful number, since it uses less digits than its factorization.

28877914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481.

The product of its digits is 225792, while the sum is 46.

The square root of 28877914 is about 5373.8174513096. The cubic root of 28877914 is about 306.7999418086.

It can be divided in two parts, 28877 and 914, that added together give a cube (29791 = 31³).

The spelling of 28877914 in words is "twenty-eight million, eight hundred seventy-seven thousand, nine hundred fourteen".