343903868 has 24 divisors (see below), whose sum is σ = 750336384. Its totient is φ = 133988400.

The previous prime is 343903853. The next prime is 343903877. The reversal of 343903868 is 868309343.

It is a super-2 number, since 2×343903868² = 236539740850722848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 557978 + ... + 558593.

It is an arithmetic number, because the mean of its divisors is an integer number (31264016).

Almost surely, 2^343903868 is an apocalyptic number.

It is an amenable number.

343903868 is an abundant number, since it is smaller than the sum of its proper divisors (406432516).

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

343903868 is a wasteful number, since it uses less digits than its factorization.

343903868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116593 (or 1116591 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 343903868 is about 18544.6452648736. The cubic root of 343903868 is about 700.6143368759.

The spelling of 343903868 in words is "three hundred forty-three million, nine hundred three thousand, eight hundred sixty-eight".