4639772 has 12 divisors (see below), whose sum is σ = 8163456. Its totient is φ = 2307360.

The previous prime is 4639771. The next prime is 4639787. The reversal of 4639772 is 2779364.

It is a d-powerful number, because it can be written as 4⁴ + 6⁸ + 3¹³ + 9⁶ + 7⁴ + 7⁷ + 2¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639771) 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, 2273 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (680288).

Almost surely, 2^4639772 is an apocalyptic number.

It is an amenable number.

4639772 is a deficient number, since it is larger than the sum of its proper divisors (3523684).

4639772 is a wasteful number, since it uses less digits than its factorization.

4639772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 4639772 is about 2154.0129990323. The cubic root of 4639772 is about 166.7882863415.

The spelling of 4639772 in words is "four million, six hundred thirty-nine thousand, seven hundred seventy-two".