344052661 has 4 divisors (see below), whose sum is σ = 346528000. Its totient is φ = 341577324.

The previous prime is 344052649. The next prime is 344052691. The reversal of 344052661 is 166250443.

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: 166250443 = 3163 ⋅52561.

It is a cyclic number.

It is not a de Polignac number, because 344052661 - 2⁵ = 344052629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344052691) 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, 1237461 + ... + 1237738.

It is an arithmetic number, because the mean of its divisors is an integer number (86632000).

Almost surely, 2^344052661 is an apocalyptic number.

It is an amenable number.

344052661 is a deficient number, since it is larger than the sum of its proper divisors (2475339).

344052661 is a wasteful number, since it uses less digits than its factorization.

344052661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475338.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 344052661 is about 18548.6565820816. The cubic root of 344052661 is about 700.7153646029.

The spelling of 344052661 in words is "three hundred forty-four million, fifty-two thousand, six hundred sixty-one".