349989364 has 12 divisors (see below), whose sum is σ = 629035204. Its totient is φ = 170265024.

The previous prime is 349989361. The next prime is 349989377. The reversal of 349989364 is 463989943.

It can be written as a sum of positive squares in 2 ways, for example, as 313290000 + 36699364 = 17700^2 + 6058^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349989361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182249 + ... + 1182544.

Almost surely, 2^349989364 is an apocalyptic number.

It is an amenable number.

349989364 is a deficient number, since it is larger than the sum of its proper divisors (279045840).

349989364 is a wasteful number, since it uses less digits than its factorization.

349989364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364834 (or 2364832 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

The square root of 349989364 is about 18708.0026726532. The cubic root of 349989364 is about 704.7227345561.

The spelling of 349989364 in words is "three hundred forty-nine million, nine hundred eighty-nine thousand, three hundred sixty-four".