346676638 has 16 divisors (see below), whose sum is σ = 648330624. Its totient is φ = 135068760.

The previous prime is 346676591. The next prime is 346676731. The reversal of 346676638 is 836676643.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 346676591 and 346676600.

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, 1125420 + ... + 1125727.

It is an arithmetic number, because the mean of its divisors is an integer number (40520664).

Almost surely, 2^346676638 is an apocalyptic number.

346676638 is a deficient number, since it is larger than the sum of its proper divisors (301653986).

346676638 is a wasteful number, since it uses less digits than its factorization.

346676638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251167.

The product of its digits is 2612736, while the sum is 49.

The square root of 346676638 is about 18619.2544963540. The cubic root of 346676638 is about 702.4922305934.

The spelling of 346676638 in words is "three hundred forty-six million, six hundred seventy-six thousand, six hundred thirty-eight".