368669858 has 6 divisors (see below), whose sum is σ = 553045521. Its totient is φ = 184321352.

The previous prime is 368669809. The next prime is 368669869. The reversal of 368669858 is 858966863.

It can be written as a sum of positive squares in 2 ways, for example, as 252396769 + 116273089 = 15887^2 + 10783^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13577.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 368669797 and 368669806.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20366 + ... + 33942.

Almost surely, 2^368669858 is an apocalyptic number.

368669858 is a deficient number, since it is larger than the sum of its proper divisors (184375663).

368669858 is an frugal number, since it uses more digits than its factorization.

368669858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27156 (or 13579 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The square root of 368669858 is about 19200.7775363395. Note that the first 3 decimals coincide. The cubic root of 368669858 is about 717.0441174021.

The spelling of 368669858 in words is "three hundred sixty-eight million, six hundred sixty-nine thousand, eight hundred fifty-eight".