349279860 has 24 divisors (see below), whose sum is σ = 977983776. Its totient is φ = 93141280.

The previous prime is 349279849. The next prime is 349279867. The reversal of 349279860 is 68972943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349279867) 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, 2910606 + ... + 2910725.

It is an arithmetic number, because the mean of its divisors is an integer number (40749324).

Almost surely, 2^349279860 is an apocalyptic number.

349279860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349279860 is an abundant number, since it is smaller than the sum of its proper divisors (628703916).

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

349279860 is a wasteful number, since it uses less digits than its factorization.

349279860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821343 (or 5821341 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 349279860 is about 18689.0304724456. The cubic root of 349279860 is about 704.2462040257.

The spelling of 349279860 in words is "three hundred forty-nine million, two hundred seventy-nine thousand, eight hundred sixty".