2357998 has 8 divisors (see below), whose sum is σ = 3589992. Its totient is φ = 1161336.

The previous prime is 2357977. The next prime is 2358007. The reversal of 2357998 is 8997532.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8665 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (448749).

2^2357998 is an apocalyptic number.

2357998 is a deficient number, since it is larger than the sum of its proper divisors (1231994).

2357998 is a wasteful number, since it uses less digits than its factorization.

2357998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666.

The product of its digits is 136080, while the sum is 43.

The square root of 2357998 is about 1535.5774158277. The cubic root of 2357998 is about 133.1009465972.

The spelling of 2357998 in words is "two million, three hundred fifty-seven thousand, nine hundred ninety-eight".