350998 has 4 divisors (see below), whose sum is σ = 526500. Its totient is φ = 175498.

The previous prime is 350989. The next prime is 351011. The reversal of 350998 is 899053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899053 = 131 ⋅6863.

It is a congruent number.

It is an unprimeable number.

350998 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, 87748 + ... + 87751.

It is an arithmetic number, because the mean of its divisors is an integer number (131625).

2³⁵⁰⁹⁹⁸ is an apocalyptic number.

350998 is a deficient number, since it is larger than the sum of its proper divisors (175502).

350998 is a wasteful number, since it uses less digits than its factorization.

350998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175501.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 350998 is about 592.4508418426. The cubic root of 350998 is about 70.5399066522.

The spelling of 350998 in words is "three hundred fifty thousand, nine hundred ninety-eight".