343894005 has 240 divisors, whose sum is σ = 815721984. Its totient is φ = 137168640.

The previous prime is 343893997. The next prime is 343894043. The reversal of 343894005 is 500498343.

It is not a de Polignac number, because 343894005 - 2³ = 343893997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 7997514 + ... + 7997556.

Almost surely, 2^343894005 is an apocalyptic number.

343894005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

343894005 is an abundant number, since it is smaller than the sum of its proper divisors (471827979).

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

343894005 is a wasteful number, since it uses less digits than its factorization.

343894005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 343894005 is about 18544.3793371469. The cubic root of 343894005 is about 700.6076390495.

The spelling of 343894005 in words is "three hundred forty-three million, eight hundred ninety-four thousand, five".