4922639 has 16 divisors (see below), whose sum is σ = 5463936. Its totient is φ = 4416000.

The previous prime is 4922633. The next prime is 4922641. The reversal of 4922639 is 9362294.

It is a cyclic number.

It is not a de Polignac number, because 4922639 - 2⁴ = 4922623 is a prime.

It is a d-powerful number, because it can be written as 4 + 9² + 2³ + 2¹⁷ + 6⁵ + 3¹⁴ + 9³ .

It is a junction number, because it is equal to n+sod(n) for n = 4922599 and 4922608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4922633) 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, 48689 + ... + 48789.

It is an arithmetic number, because the mean of its divisors is an integer number (341496).

Almost surely, 2^4922639 is an apocalyptic number.

4922639 is a deficient number, since it is larger than the sum of its proper divisors (541297).

4922639 is a wasteful number, since it uses less digits than its factorization.

4922639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its digits is 23328, while the sum is 35.

The square root of 4922639 is about 2218.7020980745. The cubic root of 4922639 is about 170.1111038426. Note that the first 4 decimals are identical.

The spelling of 4922639 in words is "four million, nine hundred twenty-two thousand, six hundred thirty-nine".