341864639 has 2 divisors, whose sum is σ = 341864640. Its totient is φ = 341864638.

The previous prime is 341864629. The next prime is 341864647. The reversal of 341864639 is 936468143.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 341864639 - 2²⁴ = 325087423 is a prime.

It is a Chen prime.

It is equal to p_18389708 and since 341864639 and 18389708 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 341864639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341864609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170932319 + 170932320.

It is an arithmetic number, because the mean of its divisors is an integer number (170932320).

Almost surely, 2^341864639 is an apocalyptic number.

341864639 is a deficient number, since it is larger than the sum of its proper divisors (1).

341864639 is an equidigital number, since it uses as much as digits as its factorization.

341864639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 341864639 is about 18489.5819044131. The cubic root of 341864639 is about 699.2267918200.

The spelling of 341864639 in words is "three hundred forty-one million, eight hundred sixty-four thousand, six hundred thirty-nine".