361404646 has 8 divisors (see below), whose sum is σ = 542670480. Its totient is φ = 180514488.

The previous prime is 361404607. The next prime is 361404647. The reversal of 361404646 is 646404163.

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

It is a super-2 number, since 2×361404646² = 261226636300770632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361404647) 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, 91501 + ... + 95368.

It is an arithmetic number, because the mean of its divisors is an integer number (67833810).

Almost surely, 2^361404646 is an apocalyptic number.

361404646 is a deficient number, since it is larger than the sum of its proper divisors (181265834).

361404646 is a wasteful number, since it uses less digits than its factorization.

361404646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187838.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 361404646 is about 19010.6455966124. The cubic root of 361404646 is about 712.3026779322.

The spelling of 361404646 in words is "three hundred sixty-one million, four hundred four thousand, six hundred forty-six".