349053684 has 24 divisors (see below), whose sum is σ = 930810048. Its totient is φ = 99729600.

The previous prime is 349053659. The next prime is 349053697. The reversal of 349053684 is 486350943.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077617 + ... + 2077784.

It is an arithmetic number, because the mean of its divisors is an integer number (38783752).

Almost surely, 2^349053684 is an apocalyptic number.

It is an amenable number.

349053684 is an abundant number, since it is smaller than the sum of its proper divisors (581756364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349053684 is a wasteful number, since it uses less digits than its factorization.

349053684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155415 (or 4155413 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 349053684 is about 18682.9784563383. The cubic root of 349053684 is about 704.0941597756.

The spelling of 349053684 in words is "three hundred forty-nine million, fifty-three thousand, six hundred eighty-four".