18198035 has 8 divisors (see below), whose sum is σ = 21960720. Its totient is φ = 14476384.

The previous prime is 18198017. The next prime is 18198053. The reversal of 18198035 is 53089181.

It is an interprime number because it is at equal distance from previous prime (18198017) and next prime (18198053).

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

It is a cyclic number.

It is not a de Polignac number, because 18198035 - 2⁸ = 18197779 is a prime.

It is a super-2 number, since 2×18198035² = 662336955722450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18197986 and 18198004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9272 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (2745090).

Almost surely, 2^18198035 is an apocalyptic number.

18198035 is a deficient number, since it is larger than the sum of its proper divisors (3762685).

18198035 is a wasteful number, since it uses less digits than its factorization.

18198035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20517.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 18198035 is about 4265.9154937715. The cubic root of 18198035 is about 263.0317444948.

The spelling of 18198035 in words is "eighteen million, one hundred ninety-eight thousand, thirty-five".