352978 has 4 divisors (see below), whose sum is σ = 529470. Its totient is φ = 176488.

The previous prime is 352973. The next prime is 352991. The reversal of 352978 is 879253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 24649 = 573^2 + 157^2 .

It is not an unprimeable number, because it can be changed into a prime (352973) by changing a digit.

352978 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88243 + ... + 88246.

2³⁵²⁹⁷⁸ is an apocalyptic number.

352978 is a deficient number, since it is larger than the sum of its proper divisors (176492).

352978 is a wasteful number, since it uses less digits than its factorization.

352978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176491.

The product of its digits is 15120, while the sum is 34.

The square root of 352978 is about 594.1195165958. The cubic root of 352978 is about 70.6722979176.

It can be divided in two parts, 35297 and 8, that multiplied together give a triangular number (282376 = T₇₅₁).

The spelling of 352978 in words is "three hundred fifty-two thousand, nine hundred seventy-eight".