349969624 has 16 divisors (see below), whose sum is σ = 657308520. Its totient is φ = 174687360.

The previous prime is 349969621. The next prime is 349969649. The reversal of 349969624 is 426969943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349969621) 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, 32142 + ... + 41629.

Almost surely, 2^349969624 is an apocalyptic number.

It is an amenable number.

349969624 is a deficient number, since it is larger than the sum of its proper divisors (307338896).

349969624 is a wasteful number, since it uses less digits than its factorization.

349969624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74370 (or 74366 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 52.

The square root of 349969624 is about 18707.4750835061. The cubic root of 349969624 is about 704.7094851170.

The spelling of 349969624 in words is "three hundred forty-nine million, nine hundred sixty-nine thousand, six hundred twenty-four".