28651074 has 16 divisors (see below), whose sum is σ = 57870720. Its totient is φ = 9455600.

The previous prime is 28651013. The next prime is 28651079. The reversal of 28651074 is 47015682.

It is not an unprimeable number, because it can be changed into a prime (28651079) 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, 23034 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (3616920).

Almost surely, 2^28651074 is an apocalyptic number.

28651074 is an abundant number, since it is smaller than the sum of its proper divisors (29219646).

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

28651074 is a wasteful number, since it uses less digits than its factorization.

28651074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47385.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 28651074 is about 5352.6698011366. The cubic root of 28651074 is about 305.9945105598.

It can be divided in two parts, 286 and 51074, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 28651074 in words is "twenty-eight million, six hundred fifty-one thousand, seventy-four".