15423696 has 60 divisors (see below), whose sum is σ = 44774912. Its totient is φ = 5139936.

The previous prime is 15423691. The next prime is 15423697. The reversal of 15423696 is 69632451.

It is a happy number.

15423696 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 15423696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15423691) 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, 1905 + ... + 5871.

Almost surely, 2^15423696 is an apocalyptic number.

15423696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15423696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22387456).

15423696 is an abundant number, since it is smaller than the sum of its proper divisors (29351216).

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

15423696 is an equidigital number, since it uses as much as digits as its factorization.

15423696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3972 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 15423696 is about 3927.3013635320. The cubic root of 15423696 is about 248.9217347288.

The spelling of 15423696 in words is "fifteen million, four hundred twenty-three thousand, six hundred ninety-six".