347031940 has 12 divisors (see below), whose sum is σ = 728767116. Its totient is φ = 138812768.

The previous prime is 347031907. The next prime is 347031977. The reversal of 347031940 is 49130743.

It can be written as a sum of positive squares in 2 ways, for example, as 85821696 + 261210244 = 9264^2 + 16162^2 .

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, 8675779 + ... + 8675818.

It is an arithmetic number, because the mean of its divisors is an integer number (60730593).

Almost surely, 2^347031940 is an apocalyptic number.

It is an amenable number.

347031940 is an abundant number, since it is smaller than the sum of its proper divisors (381735176).

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

347031940 is a wasteful number, since it uses less digits than its factorization.

347031940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351606 (or 17351604 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 347031940 is about 18628.7933049889. The cubic root of 347031940 is about 702.7321387640.

The spelling of 347031940 in words is "three hundred forty-seven million, thirty-one thousand, nine hundred forty".