347424340 has 12 divisors (see below), whose sum is σ = 729591156. Its totient is φ = 138969728.

The previous prime is 347424331. The next prime is 347424449. The reversal of 347424340 is 43424743.

It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 282105616 = 8082^2 + 16796^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8685589 + ... + 8685628.

It is an arithmetic number, because the mean of its divisors is an integer number (60799263).

Almost surely, 2^347424340 is an apocalyptic number.

It is an amenable number.

347424340 is an abundant number, since it is smaller than the sum of its proper divisors (382166816).

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

347424340 is a wasteful number, since it uses less digits than its factorization.

347424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371226 (or 17371224 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 347424340 is about 18639.3224125771. The cubic root of 347424340 is about 702.9969061536.

The spelling of 347424340 in words is "three hundred forty-seven million, four hundred twenty-four thousand, three hundred forty".