352990 has 16 divisors (see below), whose sum is σ = 693360. Its totient is φ = 128320.

The previous prime is 352973. The next prime is 352991. The reversal of 352990 is 99253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352991) by changing a digit.

352990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1495 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (43335).

2³⁵²⁹⁹⁰ is an apocalyptic number.

352990 is a deficient number, since it is larger than the sum of its proper divisors (340370).

352990 is a wasteful number, since it uses less digits than its factorization.

352990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 352990 is about 594.1296154881. The cubic root of 352990 is about 70.6730987777.

It can be divided in two parts, 35 and 2990, that added together give a square (3025 = 55²).

The spelling of 352990 in words is "three hundred fifty-two thousand, nine hundred ninety".