351900989 has 8 divisors (see below), whose sum is σ = 400583232. Its totient is φ = 306000640.

The previous prime is 351900961. The next prime is 351901013. The reversal of 351900989 is 989009153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 351900989 - 2²⁴ = 335123773 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 (351900929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695204 + ... + 695709.

It is an arithmetic number, because the mean of its divisors is an integer number (50072904).

Almost surely, 2^351900989 is an apocalyptic number.

It is an amenable number.

351900989 is a deficient number, since it is larger than the sum of its proper divisors (48682243).

351900989 is a wasteful number, since it uses less digits than its factorization.

351900989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390947.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 351900989 is about 18759.0242017009. The cubic root of 351900989 is about 706.0034594710.

The spelling of 351900989 in words is "three hundred fifty-one million, nine hundred thousand, nine hundred eighty-nine".