343891156 has 12 divisors (see below), whose sum is σ = 687782368. Its totient is φ = 147381912.

The previous prime is 343891139. The next prime is 343891159. The reversal of 343891156 is 651198343.

343891156 is an admirable number.

It is a super-2 number, since 2×343891156² = 236522254350032672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343891159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140886 + ... + 6140941.

Almost surely, 2^343891156 is an apocalyptic number.

It is an amenable number.

343891156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

343891156 is a wasteful number, since it uses less digits than its factorization.

343891156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281838 (or 12281836 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 343891156 is about 18544.3025212597. The cubic root of 343891156 is about 700.6057043092.

The spelling of 343891156 in words is "three hundred forty-three million, eight hundred ninety-one thousand, one hundred fifty-six".