39381552 has 120 divisors (see below), whose sum is σ = 130713856. Its totient is φ = 11244096.

The previous prime is 39381541. The next prime is 39381583. The reversal of 39381552 is 25518393.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26493 + ... + 27939.

Almost surely, 2^39381552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39381552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65356928).

39381552 is an abundant number, since it is smaller than the sum of its proper divisors (91332304).

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

39381552 is a wasteful number, since it uses less digits than its factorization.

39381552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1459 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 39381552 is about 6275.4722531456. The cubic root of 39381552 is about 340.2234747666.

The spelling of 39381552 in words is "thirty-nine million, three hundred eighty-one thousand, five hundred fifty-two".