343802140 has 36 divisors (see below), whose sum is σ = 793591848. Its totient is φ = 125018080.

The previous prime is 343802119. The next prime is 343802141. The reversal of 343802140 is 41208343.

It is a super-2 number, since 2×343802140² = 236399822937159200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343802141) 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, 68614 + ... + 73453.

It is an arithmetic number, because the mean of its divisors is an integer number (22044218).

Almost surely, 2^343802140 is an apocalyptic number.

It is an amenable number.

343802140 is an abundant number, since it is smaller than the sum of its proper divisors (449789708).

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

343802140 is a wasteful number, since it uses less digits than its factorization.

343802140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142098 (or 142085 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 343802140 is about 18541.9022756566. The cubic root of 343802140 is about 700.5452486504.

The spelling of 343802140 in words is "three hundred forty-three million, eight hundred two thousand, one hundred forty".