349096840 has 32 divisors (see below), whose sum is σ = 787553280. Its totient is φ = 139268032.

The previous prime is 349096831. The next prime is 349096883. The reversal of 349096840 is 48690943.

It is a super-3 number, since 3×349096840³ (a number of 27 digits) contains 333 as substring.

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, 3927 + ... + 26713.

It is an arithmetic number, because the mean of its divisors is an integer number (24611040).

Almost surely, 2^349096840 is an apocalyptic number.

It is an amenable number.

349096840 is an abundant number, since it is smaller than the sum of its proper divisors (438456440).

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

349096840 is a wasteful number, since it uses less digits than its factorization.

349096840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23181 (or 23177 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 349096840 is about 18684.1333756747. The cubic root of 349096840 is about 704.1231759764.

The spelling of 349096840 in words is "three hundred forty-nine million, ninety-six thousand, eight hundred forty".