32952381 has 32 divisors (see below), whose sum is σ = 56678400. Its totient is φ = 16524480.

The previous prime is 32952377. The next prime is 32952391. The reversal of 32952381 is 18325923.

It is not a de Polignac number, because 32952381 - 2² = 32952377 is a prime.

It is a super-2 number, since 2×32952381² = 2171718827138322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32952331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4240 + ... + 9158.

It is an arithmetic number, because the mean of its divisors is an integer number (1771200).

Almost surely, 2^32952381 is an apocalyptic number.

It is an amenable number.

32952381 is a deficient number, since it is larger than the sum of its proper divisors (23726019).

32952381 is a wasteful number, since it uses less digits than its factorization.

32952381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969.

The product of its digits is 12960, while the sum is 33.

The square root of 32952381 is about 5740.4164483076. The cubic root of 32952381 is about 320.5990763289.

It can be divided in two parts, 32952 and 381, that added together give a palindrome (33333).

The spelling of 32952381 in words is "thirty-two million, nine hundred fifty-two thousand, three hundred eighty-one".