4990630 has 8 divisors (see below), whose sum is σ = 8983152. Its totient is φ = 1996248.

The previous prime is 4990613. The next prime is 4990631. The reversal of 4990630 is 360994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4990592 and 4990601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990631) 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, 249522 + ... + 249541.

It is an arithmetic number, because the mean of its divisors is an integer number (1122894).

Almost surely, 2^4990630 is an apocalyptic number.

4990630 is a deficient number, since it is larger than the sum of its proper divisors (3992522).

4990630 is a wasteful number, since it uses less digits than its factorization.

4990630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499070.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 4990630 is about 2233.9717992849. The cubic root of 4990630 is about 170.8907113759.

The spelling of 4990630 in words is "four million, nine hundred ninety thousand, six hundred thirty".