345634646 has 16 divisors (see below), whose sum is σ = 593034144. Its totient is φ = 147999744.

The previous prime is 345634631. The next prime is 345634661. The reversal of 345634646 is 646436543.

It is an interprime number because it is at equal distance from previous prime (345634631) and next prime (345634661).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6806 + ... + 27158.

It is an arithmetic number, because the mean of its divisors is an integer number (37064634).

Almost surely, 2^345634646 is an apocalyptic number.

345634646 is a deficient number, since it is larger than the sum of its proper divisors (247399498).

345634646 is a wasteful number, since it uses less digits than its factorization.

345634646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21575.

The product of its digits is 622080, while the sum is 41.

The square root of 345634646 is about 18591.2518674779. The cubic root of 345634646 is about 701.7877067390.

The spelling of 345634646 in words is "three hundred forty-five million, six hundred thirty-four thousand, six hundred forty-six".