342917047 has 8 divisors (see below), whose sum is σ = 396096912. Its totient is φ = 293404800.

The previous prime is 342917041. The next prime is 342917053. The reversal of 342917047 is 740719243.

It is an interprime number because it is at equal distance from previous prime (342917041) and next prime (342917053).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342917047 is a prime.

It is a super-2 number, since 2×342917047² = 235184202246400418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342916997 and 342917015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342917041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916704 + ... + 917077.

It is an arithmetic number, because the mean of its divisors is an integer number (49512114).

Almost surely, 2^342917047 is an apocalyptic number.

342917047 is a deficient number, since it is larger than the sum of its proper divisors (53179865).

342917047 is a wasteful number, since it uses less digits than its factorization.

342917047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833809.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 342917047 is about 18518.0195215363. The cubic root of 342917047 is about 699.9435648380.

The spelling of 342917047 in words is "three hundred forty-two million, nine hundred seventeen thousand, forty-seven".