343979650 has 48 divisors (see below), whose sum is σ = 741273984. Its totient is φ = 116311680.

The previous prime is 343979633. The next prime is 343979681. The reversal of 343979650 is 56979343.

It is a super-2 number, since 2×343979650² = 236643999228245000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 343979650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18819 + ... + 32281.

It is an arithmetic number, because the mean of its divisors is an integer number (15443208).

Almost surely, 2^343979650 is an apocalyptic number.

343979650 is an abundant number, since it is smaller than the sum of its proper divisors (397294334).

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

343979650 is a wasteful number, since it uses less digits than its factorization.

343979650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555 (or 13550 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 343979650 is about 18546.6883836441. The cubic root of 343979650 is about 700.6657951090.

The spelling of 343979650 in words is "three hundred forty-three million, nine hundred seventy-nine thousand, six hundred fifty".