28774794 has 16 divisors (see below), whose sum is σ = 60052032. Its totient is φ = 9174528.

The previous prime is 28774793. The next prime is 28774819. The reversal of 28774794 is 49747782.

It is not an unprimeable number, because it can be changed into a prime (28774793) 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, 104119 + ... + 104394.

It is an arithmetic number, because the mean of its divisors is an integer number (3753252).

Almost surely, 2^28774794 is an apocalyptic number.

28774794 is an abundant number, since it is smaller than the sum of its proper divisors (31277238).

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

28774794 is a wasteful number, since it uses less digits than its factorization.

28774794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208541.

The product of its digits is 790272, while the sum is 48.

The square root of 28774794 is about 5364.2142015397. The cubic root of 28774794 is about 306.4343228030.

The spelling of 28774794 in words is "twenty-eight million, seven hundred seventy-four thousand, seven hundred ninety-four".