38523906 has 24 divisors (see below), whose sum is σ = 87862320. Its totient is φ = 12165336.

The previous prime is 38523893. The next prime is 38523913. The reversal of 38523906 is 60932583.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55980 + ... + 56663.

It is an arithmetic number, because the mean of its divisors is an integer number (3660930).

Almost surely, 2^38523906 is an apocalyptic number.

38523906 is an abundant number, since it is smaller than the sum of its proper divisors (49338414).

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

38523906 is a wasteful number, since it uses less digits than its factorization.

38523906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112670 (or 112667 counting only the distinct ones).

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

The square root of 38523906 is about 6206.7629244236. The cubic root of 38523906 is about 337.7355458592.

The spelling of 38523906 in words is "thirty-eight million, five hundred twenty-three thousand, nine hundred six".