10398958 has 4 divisors (see below), whose sum is σ = 15598440. Its totient is φ = 5199478.

The previous prime is 10398937. The next prime is 10398977. The reversal of 10398958 is 85989301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85989301 = 739 ⋅116359.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599738 + ... + 2599741.

It is an arithmetic number, because the mean of its divisors is an integer number (3899610).

Almost surely, 2^10398958 is an apocalyptic number.

10398958 is a deficient number, since it is larger than the sum of its proper divisors (5199482).

10398958 is an equidigital number, since it uses as much as digits as its factorization.

10398958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199481.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 10398958 is about 3224.7415400308. The cubic root of 10398958 is about 218.2712864240.

The spelling of 10398958 in words is "ten million, three hundred ninety-eight thousand, nine hundred fifty-eight".