347800642 has 8 divisors (see below), whose sum is σ = 596229696. Its totient is φ = 149057412.

The previous prime is 347800631. The next prime is 347800679. The reversal of 347800642 is 246008743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×347800642² = 241930573151224328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 347800598 and 347800607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12421438 + ... + 12421465.

It is an arithmetic number, because the mean of its divisors is an integer number (74528712).

Almost surely, 2^347800642 is an apocalyptic number.

347800642 is a deficient number, since it is larger than the sum of its proper divisors (248429054).

347800642 is a wasteful number, since it uses less digits than its factorization.

347800642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842912.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 347800642 is about 18649.4139854313. The cubic root of 347800642 is about 703.2506244069.

The spelling of 347800642 in words is "three hundred forty-seven million, eight hundred thousand, six hundred forty-two".