347399768 has 16 divisors (see below), whose sum is σ = 651664680. Its totient is φ = 173622528.

The previous prime is 347399761. The next prime is 347399791. The reversal of 347399768 is 867993743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347399761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12371 + ... + 29117.

Almost surely, 2^347399768 is an apocalyptic number.

It is an amenable number.

347399768 is a deficient number, since it is larger than the sum of its proper divisors (304264912).

347399768 is a wasteful number, since it uses less digits than its factorization.

347399768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19346 (or 19342 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 56.

The square root of 347399768 is about 18638.6632567896. The cubic root of 347399768 is about 702.9803323319.

It can be divided in two parts, 347 and 399768, that multiplied together give a triangular number (138719496 = T₁₆₆₅₆).

The spelling of 347399768 in words is "three hundred forty-seven million, three hundred ninety-nine thousand, seven hundred sixty-eight".