351016989 has 16 divisors (see below), whose sum is σ = 474682560. Its totient is φ = 230705280.

The previous prime is 351016973. The next prime is 351016993. The reversal of 351016989 is 989610153.

It is not a de Polignac number, because 351016989 - 2⁴ = 351016973 is a prime.

It is a super-2 number, since 2×351016989² = 246425853133252242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351016989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351016909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58857 + ... + 64545.

It is an arithmetic number, because the mean of its divisors is an integer number (29667660).

Almost surely, 2^351016989 is an apocalyptic number.

It is an amenable number.

351016989 is a deficient number, since it is larger than the sum of its proper divisors (123665571).

351016989 is a wasteful number, since it uses less digits than its factorization.

351016989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 351016989 is about 18735.4473925765. The cubic root of 351016989 is about 705.4117869944.

The spelling of 351016989 in words is "three hundred fifty-one million, sixteen thousand, nine hundred eighty-nine".