28474016 has 24 divisors (see below), whose sum is σ = 57575700. Its totient is φ = 13851648.

The previous prime is 28474013. The next prime is 28474087. The reversal of 28474016 is 61047482.

It can be written as a sum of positive squares in 2 ways, for example, as 27081616 + 1392400 = 5204^2 + 1180^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (28474013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10841 + ... + 13208.

Almost surely, 2^28474016 is an apocalyptic number.

It is an amenable number.

28474016 is an abundant number, since it is smaller than the sum of its proper divisors (29101684).

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

28474016 is a wasteful number, since it uses less digits than its factorization.

28474016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24096 (or 24088 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28474016 is about 5336.1049464942. The cubic root of 28474016 is about 305.3628790251.

The spelling of 28474016 in words is "twenty-eight million, four hundred seventy-four thousand, sixteen".