361647442 has 8 divisors (see below), whose sum is σ = 584199756. Its totient is φ = 166914192.

The previous prime is 361647439. The next prime is 361647449. The reversal of 361647442 is 244746163.

It can be written as a sum of positive squares in 2 ways, for example, as 313608681 + 48038761 = 17709^2 + 6931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×361647442³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (361647449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6954733 + ... + 6954784.

Almost surely, 2^361647442 is an apocalyptic number.

361647442 is a deficient number, since it is larger than the sum of its proper divisors (222552314).

361647442 is a wasteful number, since it uses less digits than its factorization.

361647442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13909532.

The product of its digits is 96768, while the sum is 37.

The square root of 361647442 is about 19017.0303149572. The cubic root of 361647442 is about 712.4621534016.

The spelling of 361647442 in words is "three hundred sixty-one million, six hundred forty-seven thousand, four hundred forty-two".