346166749 has 2 divisors, whose sum is σ = 346166750. Its totient is φ = 346166748.

The previous prime is 346166687. The next prime is 346166759. The reversal of 346166749 is 947661643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296012025 + 50154724 = 17205^2 + 7082^2 .

It is a cyclic number.

It is not a de Polignac number, because 346166749 - 2⁷ = 346166621 is a prime.

It is a super-2 number, since 2×346166749² = 239662836226458002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 346166699 and 346166708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346166759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173083374 + 173083375.

It is an arithmetic number, because the mean of its divisors is an integer number (173083375).

Almost surely, 2^346166749 is an apocalyptic number.

It is an amenable number.

346166749 is a deficient number, since it is larger than the sum of its proper divisors (1).

346166749 is an equidigital number, since it uses as much as digits as its factorization.

346166749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 346166749 is about 18605.5569387213. The cubic root of 346166749 is about 702.1476551068.

The spelling of 346166749 in words is "three hundred forty-six million, one hundred sixty-six thousand, seven hundred forty-nine".