342676638 has 24 divisors (see below), whose sum is σ = 749821176. Its totient is φ = 113094000.

The previous prime is 342676637. The next prime is 342676643. The reversal of 342676638 is 836676243.

342676638 is a `hidden beast` number, since 3 + 4 + 2 + 6 + 7 + 6 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 342676593 and 342676602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342676637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92428 + ... + 96063.

It is an arithmetic number, because the mean of its divisors is an integer number (31242549).

Almost surely, 2^342676638 is an apocalyptic number.

342676638 is an abundant number, since it is smaller than the sum of its proper divisors (407144538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342676638 is a wasteful number, since it uses less digits than its factorization.

342676638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188600 (or 188597 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 342676638 is about 18511.5271655258. The cubic root of 342676638 is about 699.7799566875.

The spelling of 342676638 in words is "three hundred forty-two million, six hundred seventy-six thousand, six hundred thirty-eight".