349379856 has 60 divisors (see below), whose sum is σ = 1117464192. Its totient is φ = 99822528.

The previous prime is 349379851. The next prime is 349379857. The reversal of 349379856 is 658973943.

349379856 is a `hidden beast` number, since 3 + 493 + 79 + 85 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (349379851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172296 + ... + 174311.

Almost surely, 2^349379856 is an apocalyptic number.

349379856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

349379856 is an abundant number, since it is smaller than the sum of its proper divisors (768084336).

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

349379856 is a wasteful number, since it uses less digits than its factorization.

349379856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346628 (or 346619 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 349379856 is about 18691.7055401587. The cubic root of 349379856 is about 704.3134042779.

The spelling of 349379856 in words is "three hundred forty-nine million, three hundred seventy-nine thousand, eight hundred fifty-six".