350334989 has 2 divisors, whose sum is σ = 350334990. Its totient is φ = 350334988.

The previous prime is 350334983. The next prime is 350335009. The reversal of 350334989 is 989433053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335512489 + 14822500 = 18317^2 + 3850^2 .

It is a cyclic number.

It is not a de Polignac number, because 350334989 - 2²⁸ = 81899533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350334983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175167494 + 175167495.

It is an arithmetic number, because the mean of its divisors is an integer number (175167495).

Almost surely, 2^350334989 is an apocalyptic number.

It is an amenable number.

350334989 is a deficient number, since it is larger than the sum of its proper divisors (1).

350334989 is an equidigital number, since it uses as much as digits as its factorization.

350334989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 350334989 is about 18717.2377502665. The cubic root of 350334989 is about 704.9546365191.

The spelling of 350334989 in words is "three hundred fifty million, three hundred thirty-four thousand, nine hundred eighty-nine".