18869007 has 8 divisors (see below), whose sum is σ = 25633584. Its totient is φ = 12341888.

The previous prime is 18869003. The next prime is 18869017. The reversal of 18869007 is 70096881.

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 18869007 - 2² = 18869003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18869003) 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, 59178 + ... + 59495.

It is an arithmetic number, because the mean of its divisors is an integer number (3204198).

Almost surely, 2^18869007 is an apocalyptic number.

18869007 is a deficient number, since it is larger than the sum of its proper divisors (6764577).

18869007 is a wasteful number, since it uses less digits than its factorization.

18869007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118729.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 18869007 is about 4343.8470276933. The cubic root of 18869007 is about 266.2255186995.

The spelling of 18869007 in words is "eighteen million, eight hundred sixty-nine thousand, seven".