4990787 has 8 divisors (see below), whose sum is σ = 5284560. Its totient is φ = 4700160.

The previous prime is 4990781. The next prime is 4990823. The reversal of 4990787 is 7870994.

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 4990787 - 2⁴ = 4990771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990781) 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, 2987 + ... + 4347.

It is an arithmetic number, because the mean of its divisors is an integer number (660570).

Almost surely, 2^4990787 is an apocalyptic number.

4990787 is a deficient number, since it is larger than the sum of its proper divisors (293773).

4990787 is a wasteful number, since it uses less digits than its factorization.

4990787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 4990787 is about 2234.0069382166. The cubic root of 4990787 is about 170.8925033715.

It can be divided in two parts, 49907 and 87, that added together give a palindrome (49994).

The spelling of 4990787 in words is "four million, nine hundred ninety thousand, seven hundred eighty-seven".