38523967 has 4 divisors (see below), whose sum is σ = 38538376. Its totient is φ = 38509560.

The previous prime is 38523937. The next prime is 38523971. The reversal of 38523967 is 76932583.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38523967 - 2⁷ = 38523839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38523937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884 + ... + 8977.

It is an arithmetic number, because the mean of its divisors is an integer number (9634594).

Almost surely, 2^38523967 is an apocalyptic number.

38523967 is a deficient number, since it is larger than the sum of its proper divisors (14409).

38523967 is a wasteful number, since it uses less digits than its factorization.

38523967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14408.

The product of its digits is 272160, while the sum is 43.

The square root of 38523967 is about 6206.7678384164. The cubic root of 38523967 is about 337.7357241195.

The spelling of 38523967 in words is "thirty-eight million, five hundred twenty-three thousand, nine hundred sixty-seven".