23928394 has 24 divisors (see below), whose sum is σ = 41812128. Its totient is φ = 10060680.

The previous prime is 23928383. The next prime is 23928397. The reversal of 23928394 is 49382932.

It is not an unprimeable number, because it can be changed into a prime (23928397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48489 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (1742172).

Almost surely, 2^23928394 is an apocalyptic number.

23928394 is a deficient number, since it is larger than the sum of its proper divisors (17883734).

23928394 is an equidigital number, since it uses as much as digits as its factorization.

23928394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 559 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 23928394 is about 4891.6657694491. The cubic root of 23928394 is about 288.1627568340.

The spelling of 23928394 in words is "twenty-three million, nine hundred twenty-eight thousand, three hundred ninety-four".