28083124 has 6 divisors (see below), whose sum is σ = 49145474. Its totient is φ = 14041560.

The previous prime is 28083109. The next prime is 28083137. The reversal of 28083124 is 42138082.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 2782224 = 5030^2 + 1668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28083092 and 28083101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510387 + ... + 3510394.

Almost surely, 2^28083124 is an apocalyptic number.

It is an amenable number.

28083124 is a deficient number, since it is larger than the sum of its proper divisors (21062350).

28083124 is a wasteful number, since it uses less digits than its factorization.

28083124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020785 (or 7020783 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 28083124 is about 5299.3512810532. The cubic root of 28083124 is about 303.9590924873.

The spelling of 28083124 in words is "twenty-eight million, eighty-three thousand, one hundred twenty-four".