344500989 has 32 divisors (see below), whose sum is σ = 556078080. Its totient is φ = 185317632.

The previous prime is 344500979. The next prime is 344500991. The reversal of 344500989 is 989005443.

It is not a de Polignac number, because 344500989 - 2¹¹ = 344498941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344500989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344500939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62389 + ... + 67685.

It is an arithmetic number, because the mean of its divisors is an integer number (17377440).

Almost surely, 2^344500989 is an apocalyptic number.

It is an amenable number.

344500989 is a deficient number, since it is larger than the sum of its proper divisors (211577091).

344500989 is a wasteful number, since it uses less digits than its factorization.

344500989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 344500989 is about 18560.7378355495. The cubic root of 344500989 is about 701.0195951253.

The spelling of 344500989 in words is "three hundred forty-four million, five hundred thousand, nine hundred eighty-nine".