361531396 has 6 divisors (see below), whose sum is σ = 632679950. Its totient is φ = 180765696.

The previous prime is 361531351. The next prime is 361531447. The reversal of 361531396 is 693135163.

It can be written as a sum of positive squares in only one way, i.e., 326886400 + 34644996 = 18080^2 + 5886^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45191421 + ... + 45191428.

Almost surely, 2^361531396 is an apocalyptic number.

It is an amenable number.

361531396 is a deficient number, since it is larger than the sum of its proper divisors (271148554).

361531396 is a wasteful number, since it uses less digits than its factorization.

361531396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90382853 (or 90382851 counting only the distinct ones).

The product of its digits is 43740, while the sum is 37.

The square root of 361531396 is about 19013.9789628578. The cubic root of 361531396 is about 712.3859399237.

The spelling of 361531396 in words is "three hundred sixty-one million, five hundred thirty-one thousand, three hundred ninety-six".