346764646 has 4 divisors (see below), whose sum is σ = 520146972. Its totient is φ = 173382322.

The previous prime is 346764631. The next prime is 346764647. The reversal of 346764646 is 646467643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646467643 = 569 ⋅1136147.

It is a junction number, because it is equal to n+sod(n) for n = 346764596 and 346764605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346764647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86691160 + ... + 86691163.

It is an arithmetic number, because the mean of its divisors is an integer number (130036743).

Almost surely, 2^346764646 is an apocalyptic number.

346764646 is a deficient number, since it is larger than the sum of its proper divisors (173382326).

346764646 is a wasteful number, since it uses less digits than its factorization.

346764646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173382325.

The product of its digits is 1741824, while the sum is 46.

The square root of 346764646 is about 18621.6177063111. The cubic root of 346764646 is about 702.5516709080.

The spelling of 346764646 in words is "three hundred forty-six million, seven hundred sixty-four thousand, six hundred forty-six".