361697999 has 8 divisors (see below), whose sum is σ = 389826192. Its totient is φ = 333613440.

The previous prime is 361697989. The next prime is 361698011. The reversal of 361697999 is 999796163.

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

It is a cyclic number.

It is not a de Polignac number, because 361697999 - 2¹⁶ = 361632463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361697969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7472 + ... + 27914.

It is an arithmetic number, because the mean of its divisors is an integer number (48728274).

Almost surely, 2^361697999 is an apocalyptic number.

361697999 is a deficient number, since it is larger than the sum of its proper divisors (28128193).

361697999 is a wasteful number, since it uses less digits than its factorization.

361697999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21817.

The product of its digits is 4960116, while the sum is 59.

The square root of 361697999 is about 19018.3595244175. The cubic root of 361697999 is about 712.4953517292.

The spelling of 361697999 in words is "three hundred sixty-one million, six hundred ninety-seven thousand, nine hundred ninety-nine".