366990605 has 32 divisors (see below), whose sum is σ = 480332160. Its totient is φ = 268220160.

The previous prime is 366990587. The next prime is 366990619. The reversal of 366990605 is 506099663.

It is not a de Polignac number, because 366990605 - 2⁶ = 366990541 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460067 + ... + 460863.

It is an arithmetic number, because the mean of its divisors is an integer number (15010380).

Almost surely, 2^366990605 is an apocalyptic number.

It is an amenable number.

366990605 is a deficient number, since it is larger than the sum of its proper divisors (113341555).

366990605 is a wasteful number, since it uses less digits than its factorization.

366990605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 366990605 is about 19156.9988515947. The cubic root of 366990605 is about 715.9537730369.

Adding to 366990605 its sum of digits (44), we get a square (366990649 = 19157²).

The spelling of 366990605 in words is "three hundred sixty-six million, nine hundred ninety thousand, six hundred five".