15628230 has 24 divisors (see below), whose sum is σ = 40633632. Its totient is φ = 4167504.

The previous prime is 15628213. The next prime is 15628231. The reversal of 15628230 is 3282651.

15628230 is a `hidden beast` number, since 1 + 5 + 628 + 2 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15628194 and 15628203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15628231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86734 + ... + 86913.

It is an arithmetic number, because the mean of its divisors is an integer number (1693068).

Almost surely, 2^15628230 is an apocalyptic number.

15628230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15628230 is an abundant number, since it is smaller than the sum of its proper divisors (25005402).

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

15628230 is a wasteful number, since it uses less digits than its factorization.

15628230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173660 (or 173657 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 15628230 is about 3953.2556203716. The cubic root of 15628230 is about 250.0172254798.

The spelling of 15628230 in words is "fifteen million, six hundred twenty-eight thousand, two hundred thirty".