23247396 has 72 divisors (see below), whose sum is σ = 62409984. Its totient is φ = 7283520.

The previous prime is 23247373. The next prime is 23247403. The reversal of 23247396 is 69374232.

It is a happy number.

23247396 is a `hidden beast` number, since 23 + 247 + 396 = 666.

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 23247396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41011 + ... + 41573.

Almost surely, 2^23247396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23247396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31204992).

23247396 is an abundant number, since it is smaller than the sum of its proper divisors (39162588).

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

23247396 is a wasteful number, since it uses less digits than its factorization.

23247396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 23247396 is about 4821.5553507141. Note that the first 3 decimals coincide. The cubic root of 23247396 is about 285.4027178388.

The spelling of 23247396 in words is "twenty-three million, two hundred forty-seven thousand, three hundred ninety-six".