18982007 has 8 divisors (see below), whose sum is σ = 21797760. Its totient is φ = 16347960.

The previous prime is 18982001. The next prime is 18982021. The reversal of 18982007 is 70028981.

It is a happy number.

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 18982007 - 2⁸ = 18981751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18982001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45203 + ... + 45620.

It is an arithmetic number, because the mean of its divisors is an integer number (2724720).

Almost surely, 2^18982007 is an apocalyptic number.

18982007 is a deficient number, since it is larger than the sum of its proper divisors (2815753).

18982007 is a wasteful number, since it uses less digits than its factorization.

18982007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90853.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 18982007 is about 4356.8345160219. The cubic root of 18982007 is about 266.7559057234.

The spelling of 18982007 in words is "eighteen million, nine hundred eighty-two thousand, seven".