341690321 has 4 divisors (see below), whose sum is σ = 390503232. Its totient is φ = 292877412.

The previous prime is 341690309. The next prime is 341690353. The reversal of 341690321 is 123096143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123096143 = 43 ⋅2862701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341690321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (341692321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24406445 + ... + 24406458.

It is an arithmetic number, because the mean of its divisors is an integer number (97625808).

Almost surely, 2^341690321 is an apocalyptic number.

It is an amenable number.

341690321 is a deficient number, since it is larger than the sum of its proper divisors (48812911).

341690321 is an equidigital number, since it uses as much as digits as its factorization.

341690321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48812910.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 341690321 is about 18484.8673514310. The cubic root of 341690321 is about 699.1079255350.

The spelling of 341690321 in words is "three hundred forty-one million, six hundred ninety thousand, three hundred twenty-one".