15797430 has 112 divisors (see below), whose sum is σ = 46745424. Its totient is φ = 3810240.

The previous prime is 15797413. The next prime is 15797459. The reversal of 15797430 is 3479751.

It is a happy number.

15797430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 80092 + ... + 80288.

Almost surely, 2^15797430 is an apocalyptic number.

15797430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15797430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23372712).

15797430 is an abundant number, since it is smaller than the sum of its proper divisors (30947994).

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

15797430 is a wasteful number, since it uses less digits than its factorization.

15797430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 15797430 is about 3974.5980928894. The cubic root of 15797430 is about 250.9162644022.

It can be divided in two parts, 1579 and 7430, that added together give a palindrome (9009).

The spelling of 15797430 in words is "fifteen million, seven hundred ninety-seven thousand, four hundred thirty".