346034621 has 2 divisors, whose sum is σ = 346034622. Its totient is φ = 346034620.

The previous prime is 346034603. The next prime is 346034627. The reversal of 346034621 is 126430643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253605625 + 92428996 = 15925^2 + 9614^2 .

It is an emirp because it is prime and its reverse (126430643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346034621 - 2¹⁴ = 346018237 is a prime.

It is a super-2 number, since 2×346034621² = 239479917861227282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346034627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173017310 + 173017311.

It is an arithmetic number, because the mean of its divisors is an integer number (173017311).

Almost surely, 2^346034621 is an apocalyptic number.

It is an amenable number.

346034621 is a deficient number, since it is larger than the sum of its proper divisors (1).

346034621 is an equidigital number, since it uses as much as digits as its factorization.

346034621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 346034621 is about 18602.0058327052. The cubic root of 346034621 is about 702.0583097535.

The spelling of 346034621 in words is "three hundred forty-six million, thirty-four thousand, six hundred twenty-one".