4990430 has 16 divisors (see below), whose sum is σ = 9097920. Its totient is φ = 1970592.

The previous prime is 4990429. The next prime is 4990439. The reversal of 4990430 is 340994.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4990393 and 4990402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990439) 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, 2369 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (568620).

Almost surely, 2^4990430 is an apocalyptic number.

4990430 is a deficient number, since it is larger than the sum of its proper divisors (4107490).

4990430 is a wasteful number, since it uses less digits than its factorization.

4990430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4990430 is about 2233.9270355139. The cubic root of 4990430 is about 170.8884285246. Note that the first 3 decimals are identical.

The spelling of 4990430 in words is "four million, nine hundred ninety thousand, four hundred thirty".