378539532 has 36 divisors (see below), whose sum is σ = 1093559376. Its totient is φ = 108154080.

The previous prime is 378539531. The next prime is 378539533. The reversal of 378539532 is 235935873.

378539532 is a `hidden beast` number, since 3 + 7 + 85 + 39 + 532 = 666.

It is an interprime number because it is at equal distance from previous prime (378539531) and next prime (378539533).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (378539531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750819 + ... + 751322.

Almost surely, 2^378539532 is an apocalyptic number.

It is an amenable number.

378539532 is an abundant number, since it is smaller than the sum of its proper divisors (715019844).

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

378539532 is a wasteful number, since it uses less digits than its factorization.

378539532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502158 (or 1502153 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 378539532 is about 19456.0924134318. The cubic root of 378539532 is about 723.3865233502.

The spelling of 378539532 in words is "three hundred seventy-eight million, five hundred thirty-nine thousand, five hundred thirty-two".