353899966 has 32 divisors (see below), whose sum is σ = 644866560. Its totient is φ = 142282656.

The previous prime is 353899951. The next prime is 353899981. The reversal of 353899966 is 669998353.

It is an interprime number because it is at equal distance from previous prime (353899951) and next prime (353899981).

It is a self number, because there is not a number n which added to its sum of digits gives 353899966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20940 + ... + 33856.

It is an arithmetic number, because the mean of its divisors is an integer number (20152080).

Almost surely, 2^353899966 is an apocalyptic number.

353899966 is a deficient number, since it is larger than the sum of its proper divisors (290966594).

353899966 is a wasteful number, since it uses less digits than its factorization.

353899966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048.

The product of its digits is 9447840, while the sum is 58.

The square root of 353899966 is about 18812.2291608411. The cubic root of 353899966 is about 707.3377560021.

The spelling of 353899966 in words is "three hundred fifty-three million, eight hundred ninety-nine thousand, nine hundred sixty-six".