343430140 has 24 divisors (see below), whose sum is σ = 723818592. Its totient is φ = 136873920.

The previous prime is 343430137. The next prime is 343430167. The reversal of 343430140 is 41034343.

It is a super-2 number, since 2×343430140² = 235888522120839200, which contains 22 as substring.

It is a congruent number.

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, 25456 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (30159108).

Almost surely, 2^343430140 is an apocalyptic number.

It is an amenable number.

343430140 is an abundant number, since it is smaller than the sum of its proper divisors (380388452).

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

343430140 is a wasteful number, since it uses less digits than its factorization.

343430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62277 (or 62275 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 343430140 is about 18531.8682274616. The cubic root of 343430140 is about 700.2924900130.

Adding to 343430140 its reverse (41034343), we get a palindrome (384464483).

The spelling of 343430140 in words is "three hundred forty-three million, four hundred thirty thousand, one hundred forty".