378432582 has 32 divisors (see below), whose sum is σ = 832512384. Its totient is φ = 114674120.

The previous prime is 378432581. The next prime is 378432601. The reversal of 378432582 is 285234873.

It is a super-2 number, since 2×378432582² = 286422438238373448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378432581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15708 + ... + 31679.

It is an arithmetic number, because the mean of its divisors is an integer number (26016012).

Almost surely, 2^378432582 is an apocalyptic number.

378432582 is an abundant number, since it is smaller than the sum of its proper divisors (454079802).

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

378432582 is a wasteful number, since it uses less digits than its factorization.

378432582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47425 (or 47403 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 378432582 is about 19453.3437228668. The cubic root of 378432582 is about 723.3183900207.

The spelling of 378432582 in words is "three hundred seventy-eight million, four hundred thirty-two thousand, five hundred eighty-two".