356998 has 8 divisors (see below), whose sum is σ = 541008. Its totient is φ = 176664.

The previous prime is 356989. The next prime is 356999. The reversal of 356998 is 899653.

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

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 356998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (67626).

2³⁵⁶⁹⁹⁸ is an apocalyptic number.

356998 is a deficient number, since it is larger than the sum of its proper divisors (184010).

356998 is a wasteful number, since it uses less digits than its factorization.

356998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 58320, while the sum is 40.

The square root of 356998 is about 597.4930961944. The cubic root of 356998 is about 70.9395769735.

The spelling of 356998 in words is "three hundred fifty-six thousand, nine hundred ninety-eight".