38523522 has 8 divisors (see below), whose sum is σ = 77047056. Its totient is φ = 12841172.

The previous prime is 38523517. The next prime is 38523523. The reversal of 38523522 is 22532583.

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

38523522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 38523522.

It is not an unprimeable number, because it can be changed into a prime (38523523) by changing a digit.

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, 3210288 + ... + 3210299.

It is an arithmetic number, because the mean of its divisors is an integer number (9630882).

Almost surely, 2^38523522 is an apocalyptic number.

38523522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38523522 is a wasteful number, since it uses less digits than its factorization.

38523522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420592.

The product of its digits is 14400, while the sum is 30.

The square root of 38523522 is about 6206.7319903473. The cubic root of 38523522 is about 337.7344236912.

The spelling of 38523522 in words is "thirty-eight million, five hundred twenty-three thousand, five hundred twenty-two".