349275460 has 24 divisors (see below), whose sum is σ = 734178816. Its totient is φ = 139576800.

The previous prime is 349275431. The next prime is 349275491. The reversal of 349275460 is 64572943.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14685 + ... + 30235.

It is an arithmetic number, because the mean of its divisors is an integer number (30590784).

Almost surely, 2^349275460 is an apocalyptic number.

It is an amenable number.

349275460 is an abundant number, since it is smaller than the sum of its proper divisors (384903356).

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

349275460 is a wasteful number, since it uses less digits than its factorization.

349275460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683 (or 16681 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 349275460 is about 18688.9127559631. The cubic root of 349275460 is about 704.2432468017.

The spelling of 349275460 in words is "three hundred forty-nine million, two hundred seventy-five thousand, four hundred sixty".