361957698 has 12 divisors (see below), whose sum is σ = 784241718. Its totient is φ = 120652560.

The previous prime is 361957663. The next prime is 361957711. The reversal of 361957698 is 896759163.

361957698 is a `hidden beast` number, since 3 + 61 + 9 + 576 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 352575729 + 9381969 = 18777^2 + 3063^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10054363 + ... + 10054398.

Almost surely, 2^361957698 is an apocalyptic number.

361957698 is an abundant number, since it is smaller than the sum of its proper divisors (422284020).

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

361957698 is a wasteful number, since it uses less digits than its factorization.

361957698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20108769 (or 20108766 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 361957698 is about 19025.1858860827. The cubic root of 361957698 is about 712.6658347138.

The spelling of 361957698 in words is "three hundred sixty-one million, nine hundred fifty-seven thousand, six hundred ninety-eight".