32378481 has 8 divisors (see below), whose sum is σ = 47968160. Its totient is φ = 21585636.

The previous prime is 32378473. The next prime is 32378501. The reversal of 32378481 is 18487323.

It is not a de Polignac number, because 32378481 - 2³ = 32378473 is a prime.

It is a super-2 number, since 2×32378481² = 2096732063734722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32378431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599575 + ... + 599628.

It is an arithmetic number, because the mean of its divisors is an integer number (5996020).

Almost surely, 2^32378481 is an apocalyptic number.

It is an amenable number.

32378481 is a deficient number, since it is larger than the sum of its proper divisors (15589679).

32378481 is a wasteful number, since it uses less digits than its factorization.

32378481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199212 (or 1199206 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 32378481 is about 5690.2092228669. The cubic root of 32378481 is about 318.7269768838.

The spelling of 32378481 in words is "thirty-two million, three hundred seventy-eight thousand, four hundred eighty-one".