38523856 has 20 divisors (see below), whose sum is σ = 85303072. Its totient is φ = 16510176.

The previous prime is 38523839. The next prime is 38523857. The reversal of 38523856 is 65832583.

It is a happy number.

38523856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38523856² = 2968174962217472, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38523857) 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 3 ways as a sum of consecutive naturals, for example, 171870 + ... + 172093.

Almost surely, 2^38523856 is an apocalyptic number.

It is an amenable number.

38523856 is an abundant number, since it is smaller than the sum of its proper divisors (46779216).

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

38523856 is a wasteful number, since it uses less digits than its factorization.

38523856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343978 (or 343972 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 38523856 is about 6206.7588965578. The cubic root of 38523856 is about 337.7353997440.

The spelling of 38523856 in words is "thirty-eight million, five hundred twenty-three thousand, eight hundred fifty-six".