8604490387 has 4 divisors (see below), whose sum is σ = 8604897840. Its totient is φ = 8604082936.

The previous prime is 8604490351. The next prime is 8604490393. The reversal of 8604490387 is 7830944068.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8604490387 - 2¹¹ = 8604488339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8604490387.

It is not an unprimeable number, because it can be changed into a prime (8604490337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170212 + ... + 214897.

It is an arithmetic number, because the mean of its divisors is an integer number (2151224460).

Almost surely, 2^8604490387 is an apocalyptic number.

8604490387 is a deficient number, since it is larger than the sum of its proper divisors (407453).

8604490387 is a wasteful number, since it uses less digits than its factorization.

8604490387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407452.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 8604490387 is about 92760.3923396187. The cubic root of 8604490387 is about 2049.1561378676.

The spelling of 8604490387 in words is "eight billion, six hundred four million, four hundred ninety thousand, three hundred eighty-seven".