347042385 has 24 divisors (see below), whose sum is σ = 603616104. Its totient is φ = 184450560.

The previous prime is 347042383. The next prime is 347042387. The reversal of 347042385 is 583240743.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (347042383) and next prime (347042387).

It can be written as a sum of positive squares in 4 ways, for example, as 201526416 + 145515969 = 14196^2 + 12063^2 .

It is not a de Polignac number, because 347042385 - 2¹ = 347042383 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (347042383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25 + ... + 26345.

It is an arithmetic number, because the mean of its divisors is an integer number (25150671).

Almost surely, 2^347042385 is an apocalyptic number.

It is an amenable number.

347042385 is a deficient number, since it is larger than the sum of its proper divisors (256573719).

347042385 is a wasteful number, since it uses less digits than its factorization.

347042385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26625 (or 26622 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 347042385 is about 18629.0736484668. The cubic root of 347042385 is about 702.7391889926.

The spelling of 347042385 in words is "three hundred forty-seven million, forty-two thousand, three hundred eighty-five".