352170989 has 8 divisors (see below), whose sum is σ = 360618720. Its totient is φ = 343735056.

The previous prime is 352170977. The next prime is 352170991. The reversal of 352170989 is 989071253.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352170989 is a prime.

It is a super-3 number, since 3×352170989³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352070989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97514 + ... + 101060.

It is an arithmetic number, because the mean of its divisors is an integer number (45077340).

Almost surely, 2^352170989 is an apocalyptic number.

It is an amenable number.

352170989 is a deficient number, since it is larger than the sum of its proper divisors (8447731).

352170989 is a wasteful number, since it uses less digits than its factorization.

352170989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 352170989 is about 18766.2193581979. The cubic root of 352170989 is about 706.1839763481.

The spelling of 352170989 in words is "three hundred fifty-two million, one hundred seventy thousand, nine hundred eighty-nine".