357998 has 8 divisors (see below), whose sum is σ = 565320. Its totient is φ = 169560.

The previous prime is 357997. The next prime is 358031. The reversal of 357998 is 899753.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 357998.

It is not an unprimeable number, because it can be changed into a prime (357997) 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, 4673 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (70665).

2³⁵⁷⁹⁹⁸ is an apocalyptic number.

357998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

357998 is a deficient number, since it is larger than the sum of its proper divisors (207322).

357998 is a wasteful number, since it uses less digits than its factorization.

357998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442.

The product of its digits is 68040, while the sum is 41.

The square root of 357998 is about 598.3293407481. The cubic root of 357998 is about 71.0057523608.

The spelling of 357998 in words is "three hundred fifty-seven thousand, nine hundred ninety-eight".