4629639 has 16 divisors (see below), whose sum is σ = 7084800. Its totient is φ = 2634240.

The previous prime is 4629631. The next prime is 4629659. The reversal of 4629639 is 9369264.

It is a happy number.

It is not a de Polignac number, because 4629639 - 2³ = 4629631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4629597 and 4629606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9184 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (442800).

Almost surely, 2^4629639 is an apocalyptic number.

4629639 is a deficient number, since it is larger than the sum of its proper divisors (2455161).

4629639 is a wasteful number, since it uses less digits than its factorization.

4629639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its digits is 69984, while the sum is 39.

The square root of 4629639 is about 2151.6595920359. The cubic root of 4629639 is about 166.6667791110. Note that the first 3 decimals are identical.

It can be divided in two parts, 462 and 9639, that added together give a palindrome (10101).

The spelling of 4629639 in words is "four million, six hundred twenty-nine thousand, six hundred thirty-nine".