349494760 has 32 divisors (see below), whose sum is σ = 799696800. Its totient is φ = 137427520.

The previous prime is 349494751. The next prime is 349494763. The reversal of 349494760 is 67494943.

It is a self number, because there is not a number n which added to its sum of digits gives 349494760.

It is not an unprimeable number, because it can be changed into a prime (349494763) 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, 71686 + ... + 76405.

It is an arithmetic number, because the mean of its divisors is an integer number (24990525).

Almost surely, 2^349494760 is an apocalyptic number.

It is an amenable number.

349494760 is an abundant number, since it is smaller than the sum of its proper divisors (450202040).

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

349494760 is a wasteful number, since it uses less digits than its factorization.

349494760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148161 (or 148157 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 349494760 is about 18694.7789502845. The cubic root of 349494760 is about 704.3906073142.

The spelling of 349494760 in words is "three hundred forty-nine million, four hundred ninety-four thousand, seven hundred sixty".