343979400 has 48 divisors (see below), whose sum is σ = 1066338000. Its totient is φ = 91727680.

The previous prime is 343979387. The next prime is 343979423. The reversal of 343979400 is 4979343.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286050 + ... + 287249.

It is an arithmetic number, because the mean of its divisors is an integer number (22215375).

Almost surely, 2^343979400 is an apocalyptic number.

343979400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343979400 is an abundant number, since it is smaller than the sum of its proper divisors (722358600).

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

343979400 is a wasteful number, since it uses less digits than its factorization.

343979400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573318 (or 573309 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 343979400 is about 18546.6816438952. The cubic root of 343979400 is about 700.6656253640.

The spelling of 343979400 in words is "three hundred forty-three million, nine hundred seventy-nine thousand, four hundred".