4990687 has 8 divisors (see below), whose sum is σ = 5393696. Its totient is φ = 4590432.

The previous prime is 4990679. The next prime is 4990693. The reversal of 4990687 is 7860994.

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 4990687 - 2³ = 4990679 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 (4990637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678 + ... + 5644.

It is an arithmetic number, because the mean of its divisors is an integer number (674212).

Almost surely, 2^4990687 is an apocalyptic number.

4990687 is a deficient number, since it is larger than the sum of its proper divisors (403009).

4990687 is a wasteful number, since it uses less digits than its factorization.

4990687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4990687 is about 2233.9845567953. The cubic root of 4990687 is about 170.8913619774.

The spelling of 4990687 in words is "four million, nine hundred ninety thousand, six hundred eighty-seven".