10557998 has 8 divisors (see below), whose sum is σ = 17276760. Its totient is φ = 4799080.

The previous prime is 10557983. The next prime is 10558007. The reversal of 10557998 is 89975501.

It is a happy number.

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

It is a super-2 number, since 2×10557998² = 222942643536008, which contains 22 as substring.

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, 239933 + ... + 239976.

It is an arithmetic number, because the mean of its divisors is an integer number (2159595).

Almost surely, 2^10557998 is an apocalyptic number.

10557998 is a deficient number, since it is larger than the sum of its proper divisors (6718762).

10557998 is a wasteful number, since it uses less digits than its factorization.

10557998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479922.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 10557998 is about 3249.3073107972. The cubic root of 10557998 is about 219.3783968489.

The spelling of 10557998 in words is "ten million, five hundred fifty-seven thousand, nine hundred ninety-eight".