28873674 has 12 divisors (see below), whose sum is σ = 62559666. Its totient is φ = 9624552.

The previous prime is 28873627. The next prime is 28873687. The reversal of 28873674 is 47637882.

It is a happy number.

28873674 is a `hidden beast` number, since 288 + 7 + 367 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16867449 + 12006225 = 4107^2 + 3465^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802029 + ... + 802064.

Almost surely, 2^28873674 is an apocalyptic number.

28873674 is an abundant number, since it is smaller than the sum of its proper divisors (33685992).

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

28873674 is a wasteful number, since it uses less digits than its factorization.

28873674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604101 (or 1604098 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 28873674 is about 5373.4229314283. The cubic root of 28873674 is about 306.7849257722.

It can be divided in two parts, 2887 and 3674, that added together give a 8-th power (6561 = 3⁸).

The spelling of 28873674 in words is "twenty-eight million, eight hundred seventy-three thousand, six hundred seventy-four".