341400391 has 2 divisors, whose sum is σ = 341400392. Its totient is φ = 341400390.

The previous prime is 341400361. The next prime is 341400413. The reversal of 341400391 is 193004143.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (193004143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 341400391 - 2²⁵ = 307845959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341400361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170700195 + 170700196.

It is an arithmetic number, because the mean of its divisors is an integer number (170700196).

Almost surely, 2^341400391 is an apocalyptic number.

341400391 is a deficient number, since it is larger than the sum of its proper divisors (1).

341400391 is an equidigital number, since it uses as much as digits as its factorization.

341400391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 341400391 is about 18477.0233262828. The cubic root of 341400391 is about 698.9101346264.

The spelling of 341400391 in words is "three hundred forty-one million, four hundred thousand, three hundred ninety-one".