341218989 has 6 divisors (see below), whose sum is σ = 492871886. Its totient is φ = 227479320.

The previous prime is 341218987. The next prime is 341218993. The reversal of 341218989 is 989812143.

341218989 is a `hidden beast` number, since 341 + 218 + 98 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 271162089 + 70056900 = 16467^2 + 8370^2 .

It is not a de Polignac number, because 341218989 - 2¹ = 341218987 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341218987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18956602 + ... + 18956619.

Almost surely, 2^341218989 is an apocalyptic number.

It is an amenable number.

341218989 is a deficient number, since it is larger than the sum of its proper divisors (151652897).

341218989 is a wasteful number, since it uses less digits than its factorization.

341218989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37913227 (or 37913224 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 341218989 is about 18472.1138205675. The cubic root of 341218989 is about 698.7863248109.

The spelling of 341218989 in words is "three hundred forty-one million, two hundred eighteen thousand, nine hundred eighty-nine".