4968639 has 12 divisors (see below), whose sum is σ = 7729176. Its totient is φ = 3057552.

The previous prime is 4968637. The next prime is 4968643. The reversal of 4968639 is 9368694.

4968639 is a `hidden beast` number, since 4 + 9 + 6 + 8 + 639 = 666.

It is not a de Polignac number, because 4968639 - 2¹ = 4968637 is a prime.

It is a d-powerful number, because it can be written as 4 + 9³ + 6 + 8 + 6⁵ + 3¹¹ + 9⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4968594 and 4968603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4968637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21117 + ... + 21350.

It is an arithmetic number, because the mean of its divisors is an integer number (644098).

Almost surely, 2^4968639 is an apocalyptic number.

4968639 is a deficient number, since it is larger than the sum of its proper divisors (2760537).

4968639 is a wasteful number, since it uses less digits than its factorization.

4968639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42486 (or 42483 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 4968639 is about 2229.0444140932. The cubic root of 4968639 is about 170.6393342222.

The spelling of 4968639 in words is "four million, nine hundred sixty-eight thousand, six hundred thirty-nine".