343696857 has 16 divisors (see below), whose sum is σ = 524009472. Its totient is φ = 196292880.

The previous prime is 343696831. The next prime is 343696877. The reversal of 343696857 is 758696343.

It is not a de Polignac number, because 343696857 - 2¹¹ = 343694809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343696817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53382 + ... + 59472.

It is an arithmetic number, because the mean of its divisors is an integer number (32750592).

Almost surely, 2^343696857 is an apocalyptic number.

It is an amenable number.

343696857 is a deficient number, since it is larger than the sum of its proper divisors (180312615).

343696857 is a wasteful number, since it uses less digits than its factorization.

343696857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788.

The product of its digits is 3265920, while the sum is 51.

The square root of 343696857 is about 18539.0630022124. The cubic root of 343696857 is about 700.4737317062.

The spelling of 343696857 in words is "three hundred forty-three million, six hundred ninety-six thousand, eight hundred fifty-seven".