28488034 has 12 divisors (see below), whose sum is σ = 44258994. Its totient is φ = 13752032.

The previous prime is 28488023. The next prime is 28488041. The reversal of 28488034 is 43088482.

It can be written as a sum of positive squares in 3 ways, for example, as 23184225 + 5303809 = 4815^2 + 2303^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28487984 and 28488002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6787 + ... + 10150.

Almost surely, 2^28488034 is an apocalyptic number.

28488034 is a deficient number, since it is larger than the sum of its proper divisors (15770960).

28488034 is a wasteful number, since it uses less digits than its factorization.

28488034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16997 (or 16968 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 28488034 is about 5337.4182897727. The cubic root of 28488034 is about 305.4129817173.

The spelling of 28488034 in words is "twenty-eight million, four hundred eighty-eight thousand, thirty-four".