18000958 has 8 divisors (see below), whose sum is σ = 27020952. Its totient is φ = 8993976.

The previous prime is 18000949. The next prime is 18000971. The reversal of 18000958 is 85900081.

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, 1741 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (3377619).

Almost surely, 2^18000958 is an apocalyptic number.

18000958 is a deficient number, since it is larger than the sum of its proper divisors (9019994).

18000958 is a wasteful number, since it uses less digits than its factorization.

18000958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 18000958 is about 4242.7535869998. The cubic root of 18000958 is about 262.0787887278.

The spelling of 18000958 in words is "eighteen million, nine hundred fifty-eight", and thus it is an aban number.