353989 has 8 divisors (see below), whose sum is σ = 385280. Its totient is φ = 324000.

The previous prime is 353963. The next prime is 354001. The reversal of 353989 is 989353.

353989 = 4³ + 5³ + ... + 34³.

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

It is a cyclic number.

It is not a de Polignac number, because 353989 - 2¹⁵ = 321221 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 (353929) 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, 289 + ... + 889.

It is an arithmetic number, because the mean of its divisors is an integer number (48160).

2³⁵³⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

353989 is a deficient number, since it is larger than the sum of its proper divisors (31291).

353989 is a wasteful number, since it uses less digits than its factorization.

353989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 29160, while the sum is 37.

The square root of 353989 is about 594.9697471301. The cubic root of 353989 is about 70.7397068270.

The spelling of 353989 in words is "three hundred fifty-three thousand, nine hundred eighty-nine".