15491230 has 16 divisors (see below), whose sum is σ = 27943344. Its totient is φ = 6183360.

The previous prime is 15491219. The next prime is 15491237. The reversal of 15491230 is 3219451.

15491230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15491195 and 15491204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15491237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4354 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (1746459).

Almost surely, 2^15491230 is an apocalyptic number.

15491230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15491230 is a deficient number, since it is larger than the sum of its proper divisors (12452114).

15491230 is a wasteful number, since it uses less digits than its factorization.

15491230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 15491230 is about 3935.8899883000. The cubic root of 15491230 is about 249.2845142742.

The spelling of 15491230 in words is "fifteen million, four hundred ninety-one thousand, two hundred thirty".