343628916 has 24 divisors (see below), whose sum is σ = 823472160. Its totient is φ = 111447072.

The previous prime is 343628899. The next prime is 343628933. The reversal of 343628916 is 619826343.

It is an interprime number because it is at equal distance from previous prime (343628899) and next prime (343628933).

It is a super-2 number, since 2×343628916² = 236161663822670112, 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, 386526 + ... + 387413.

It is an arithmetic number, because the mean of its divisors is an integer number (34311340).

Almost surely, 2^343628916 is an apocalyptic number.

It is an amenable number.

343628916 is an abundant number, since it is smaller than the sum of its proper divisors (479843244).

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

343628916 is a wasteful number, since it uses less digits than its factorization.

343628916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773983 (or 773981 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 343628916 is about 18537.2305374886. The cubic root of 343628916 is about 700.4275727912.

The spelling of 343628916 in words is "three hundred forty-three million, six hundred twenty-eight thousand, nine hundred sixteen".