344910985 has 4 divisors (see below), whose sum is σ = 413893188. Its totient is φ = 275928784.

The previous prime is 344910961. The next prime is 344910997. The reversal of 344910985 is 589019443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589019443 = 23 ⋅25609541.

It can be written as a sum of positive squares in 2 ways, for example, as 82373776 + 262537209 = 9076^2 + 16203^2 .

It is a cyclic number.

It is not a de Polignac number, because 344910985 - 2⁵ = 344910953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34491094 + ... + 34491103.

It is an arithmetic number, because the mean of its divisors is an integer number (103473297).

Almost surely, 2^344910985 is an apocalyptic number.

It is an amenable number.

344910985 is a deficient number, since it is larger than the sum of its proper divisors (68982203).

344910985 is an equidigital number, since it uses as much as digits as its factorization.

344910985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68982202.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 344910985 is about 18571.7792631724. The cubic root of 344910985 is about 701.2975829931.

The spelling of 344910985 in words is "three hundred forty-four million, nine hundred ten thousand, nine hundred eighty-five".