4953639 has 4 divisors (see below), whose sum is σ = 6604856. Its totient is φ = 3302424.

The previous prime is 4953631. The next prime is 4953667. The reversal of 4953639 is 9363594.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4953639 - 2³ = 4953631 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 9³ + 5⁷ + 3⁹ + 6² + 3¹⁴ + 9⁴ .

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4953597 and 4953606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4953631) 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, 825604 + ... + 825609.

It is an arithmetic number, because the mean of its divisors is an integer number (1651214).

Almost surely, 2^4953639 is an apocalyptic number.

4953639 is a deficient number, since it is larger than the sum of its proper divisors (1651217).

4953639 is a wasteful number, since it uses less digits than its factorization.

4953639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651216.

The product of its digits is 87480, while the sum is 39.

The square root of 4953639 is about 2225.6772003145. The cubic root of 4953639 is about 170.4674447580.

The spelling of 4953639 in words is "four million, nine hundred fifty-three thousand, six hundred thirty-nine".