352981 has 8 divisors (see below), whose sum is σ = 374400. Its totient is φ = 332112.

The previous prime is 352973. The next prime is 352991. The reversal of 352981 is 189253.

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 352981 - 2³ = 352973 is a prime.

It is a super-2 number, since 2×352981² = 249191172722, which contains 22 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 (352931) 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, 2295 + ... + 2443.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2³⁵²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

352981 is a deficient number, since it is larger than the sum of its proper divisors (21419).

352981 is a wasteful number, since it uses less digits than its factorization.

352981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its digits is 2160, while the sum is 28.

The square root of 352981 is about 594.1220413349. The cubic root of 352981 is about 70.6724981343.

The spelling of 352981 in words is "three hundred fifty-two thousand, nine hundred eighty-one".