343436661 has 24 divisors (see below), whose sum is σ = 516222720. Its totient is φ = 219843936.

The previous prime is 343436651. The next prime is 343436683. The reversal of 343436661 is 166634343.

It is not a de Polignac number, because 343436661 - 2⁵ = 343436629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343436651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14760 + ... + 30078.

It is an arithmetic number, because the mean of its divisors is an integer number (21509280).

Almost surely, 2^343436661 is an apocalyptic number.

It is an amenable number.

343436661 is a deficient number, since it is larger than the sum of its proper divisors (172786059).

343436661 is a wasteful number, since it uses less digits than its factorization.

343436661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425 (or 15422 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 343436661 is about 18532.0441667939. The cubic root of 343436661 is about 700.2969223346.

The spelling of 343436661 in words is "three hundred forty-three million, four hundred thirty-six thousand, six hundred sixty-one".