343838972 has 24 divisors (see below), whose sum is σ = 637203840. Its totient is φ = 161889840.

The previous prime is 343838969. The next prime is 343838987. The reversal of 343838972 is 279838343.

It is a super-3 number, since 3×343838972³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 854 + ... + 26237.

It is an arithmetic number, because the mean of its divisors is an integer number (26550160).

Almost surely, 2^343838972 is an apocalyptic number.

It is an amenable number.

343838972 is a deficient number, since it is larger than the sum of its proper divisors (293364868).

343838972 is a wasteful number, since it uses less digits than its factorization.

343838972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27281 (or 27279 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 343838972 is about 18542.8954589082. The cubic root of 343838972 is about 700.5702645517.

The spelling of 343838972 in words is "three hundred forty-three million, eight hundred thirty-eight thousand, nine hundred seventy-two".