28479607 has 16 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 23938560.

The previous prime is 28479601. The next prime is 28479611. The reversal of 28479607 is 70697482.

It is a cyclic number.

It is not a de Polignac number, because 28479607 - 2³ = 28479599 is a prime.

It is a super-2 number, since 2×28479607² = 1622176029748898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28479601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4773 + ... + 8929.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 2^28479607 is an apocalyptic number.

28479607 is a deficient number, since it is larger than the sum of its proper divisors (5050505).

28479607 is a wasteful number, since it uses less digits than its factorization.

28479607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 28479607 is about 5336.6288047793. The cubic root of 28479607 is about 305.3828641714.

The spelling of 28479607 in words is "twenty-eight million, four hundred seventy-nine thousand, six hundred seven".