349766404 has 24 divisors (see below), whose sum is σ = 661098200. Its totient is φ = 160959744.

The previous prime is 349766393. The next prime is 349766407. The reversal of 349766404 is 404667943.

It can be written as a sum of positive squares in 4 ways, for example, as 52272900 + 297493504 = 7230^2 + 17248^2 .

It is not an unprimeable number, because it can be changed into a prime (349766407) 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, 8512 + ... + 27784.

Almost surely, 2^349766404 is an apocalyptic number.

It is an amenable number.

349766404 is a deficient number, since it is larger than the sum of its proper divisors (311331796).

349766404 is a wasteful number, since it uses less digits than its factorization.

349766404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19639 (or 19637 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 349766404 is about 18702.0427761248. The cubic root of 349766404 is about 704.5730553809.

The spelling of 349766404 in words is "three hundred forty-nine million, seven hundred sixty-six thousand, four hundred four".