343953977 has 8 divisors (see below), whose sum is σ = 348057216. Its totient is φ = 339865632.

The previous prime is 343953931. The next prime is 343953989. The reversal of 343953977 is 779359343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 343953977 - 2⁸ = 343953721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343953997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46733 + ... + 53589.

It is an arithmetic number, because the mean of its divisors is an integer number (43507152).

Almost surely, 2^343953977 is an apocalyptic number.

It is an amenable number.

343953977 is a deficient number, since it is larger than the sum of its proper divisors (4103239).

343953977 is a wasteful number, since it uses less digits than its factorization.

343953977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447.

The product of its digits is 2143260, while the sum is 50.

The square root of 343953977 is about 18545.9962525608. The cubic root of 343953977 is about 700.6483632246.

The spelling of 343953977 in words is "three hundred forty-three million, nine hundred fifty-three thousand, nine hundred seventy-seven".