23638406 has 8 divisors (see below), whose sum is σ = 38681064. Its totient is φ = 10744720.

The previous prime is 23638387. The next prime is 23638429. The reversal of 23638406 is 60483632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 537215 + ... + 537258.

It is an arithmetic number, because the mean of its divisors is an integer number (4835133).

Almost surely, 2^23638406 is an apocalyptic number.

23638406 is a deficient number, since it is larger than the sum of its proper divisors (15042658).

23638406 is a wasteful number, since it uses less digits than its factorization.

23638406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074486.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 23638406 is about 4861.9343886976. The cubic root of 23638406 is about 286.9939417677.

The spelling of 23638406 in words is "twenty-three million, six hundred thirty-eight thousand, four hundred six".