342946717 has 2 divisors, whose sum is σ = 342946718. Its totient is φ = 342946716.

The previous prime is 342946657. The next prime is 342946741. The reversal of 342946717 is 717649243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203376121 + 139570596 = 14261^2 + 11814^2 .

It is a cyclic number.

It is not a de Polignac number, because 342946717 - 2¹¹ = 342944669 is a prime.

It is a super-2 number, since 2×342946717² = 235224901402156178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342946817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171473358 + 171473359.

It is an arithmetic number, because the mean of its divisors is an integer number (171473359).

Almost surely, 2^342946717 is an apocalyptic number.

It is an amenable number.

342946717 is a deficient number, since it is larger than the sum of its proper divisors (1).

342946717 is an equidigital number, since it uses as much as digits as its factorization.

342946717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 342946717 is about 18518.8206157952. The cubic root of 342946717 is about 699.9637511841.

The spelling of 342946717 in words is "three hundred forty-two million, nine hundred forty-six thousand, seven hundred seventeen".