4999638 has 16 divisors (see below), whose sum is σ = 11427840. Its totient is φ = 1428456.

The previous prime is 4999637. The next prime is 4999639. The reversal of 4999638 is 8369994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4999637) and next prime (4999639).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59478 + ... + 59561.

It is an arithmetic number, because the mean of its divisors is an integer number (714240).

Almost surely, 2^4999638 is an apocalyptic number.

4999638 is an abundant number, since it is smaller than the sum of its proper divisors (6428202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4999638 is a wasteful number, since it uses less digits than its factorization.

4999638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119051.

The product of its digits is 419904, while the sum is 48.

The square root of 4999638 is about 2235.9870303738. The cubic root of 4999638 is about 170.9934678261.

The spelling of 4999638 in words is "four million, nine hundred ninety-nine thousand, six hundred thirty-eight".