38181552 has 20 divisors (see below), whose sum is σ = 98635800. Its totient is φ = 12727168.

The previous prime is 38181527. The next prime is 38181557. The reversal of 38181552 is 25518183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38181557) 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, 397677 + ... + 397772.

It is an arithmetic number, because the mean of its divisors is an integer number (4931790).

Almost surely, 2^38181552 is an apocalyptic number.

It is an amenable number.

38181552 is an abundant number, since it is smaller than the sum of its proper divisors (60454248).

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

38181552 is a wasteful number, since it uses less digits than its factorization.

38181552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795460 (or 795454 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 38181552 is about 6179.1222677659. The cubic root of 38181552 is about 336.7321054816.

The spelling of 38181552 in words is "thirty-eight million, one hundred eighty-one thousand, five hundred fifty-two".