23690028 has 24 divisors (see below), whose sum is σ = 55368432. Its totient is φ = 7883584.

The previous prime is 23689999. The next prime is 23690039. The reversal of 23690028 is 82009632.

It is a super-2 number, since 2×23690028² = 1122434853281568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23689977 and 23690004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8326 + ... + 10802.

It is an arithmetic number, because the mean of its divisors is an integer number (2307018).

Almost surely, 2^23690028 is an apocalyptic number.

It is an amenable number.

23690028 is an abundant number, since it is smaller than the sum of its proper divisors (31678404).

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

23690028 is a wasteful number, since it uses less digits than its factorization.

23690028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3279 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23690028 is about 4867.2402858293. The cubic root of 23690028 is about 287.2027041487.

The spelling of 23690028 in words is "twenty-three million, six hundred ninety thousand, twenty-eight".