341918721 has 24 divisors (see below), whose sum is σ = 510630120. Its totient is φ = 220320000.

The previous prime is 341918719. The next prime is 341918723. The reversal of 341918721 is 127819143.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (341918719) and next prime (341918723).

It can be written as a sum of positive squares in 4 ways, for example, as 408321 + 341510400 = 639^2 + 18480^2 .

It is not a de Polignac number, because 341918721 - 2¹ = 341918719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (341918723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35971 + ... + 44471.

It is an arithmetic number, because the mean of its divisors is an integer number (21276255).

Almost surely, 2^341918721 is an apocalyptic number.

It is an amenable number.

341918721 is a deficient number, since it is larger than the sum of its proper divisors (168711399).

341918721 is a wasteful number, since it uses less digits than its factorization.

341918721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657 (or 8654 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 341918721 is about 18491.0443458448. The cubic root of 341918721 is about 699.2636617632.

The spelling of 341918721 in words is "three hundred forty-one million, nine hundred eighteen thousand, seven hundred twenty-one".