346670977 has 4 divisors (see below), whose sum is σ = 346776660. Its totient is φ = 346565296.

The previous prime is 346670917. The next prime is 346670983. The reversal of 346670977 is 779076643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779076643 = 283 ⋅2752921.

It can be written as a sum of positive squares in 2 ways, for example, as 205750336 + 140920641 = 14344^2 + 11871^2 .

It is a cyclic number.

It is not a de Polignac number, because 346670977 - 2²³ = 338282369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346670977.

It is not an unprimeable number, because it can be changed into a prime (346670917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47758 + ... + 54535.

It is an arithmetic number, because the mean of its divisors is an integer number (86694165).

Almost surely, 2^346670977 is an apocalyptic number.

It is an amenable number.

346670977 is a deficient number, since it is larger than the sum of its proper divisors (105683).

346670977 is a wasteful number, since it uses less digits than its factorization.

346670977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105682.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 346670977 is about 18619.1024756834. The cubic root of 346670977 is about 702.4884068282.

The spelling of 346670977 in words is "three hundred forty-six million, six hundred seventy thousand, nine hundred seventy-seven".