4721936 has 20 divisors (see below), whose sum is σ = 9183564. Its totient is φ = 2352000.

The previous prime is 4721933. The next prime is 4721957. The reversal of 4721936 is 6391274.

It can be written as a sum of positive squares in 2 ways, for example, as 1638400 + 3083536 = 1280^2 + 1756^2 .

It is not an unprimeable number, because it can be changed into a prime (4721933) 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, 6386 + ... + 7086.

Almost surely, 2^4721936 is an apocalyptic number.

It is an amenable number.

4721936 is a deficient number, since it is larger than the sum of its proper divisors (4461628).

4721936 is a wasteful number, since it uses less digits than its factorization.

4721936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1124 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 4721936 is about 2173.0016106759. The cubic root of 4721936 is about 167.7670619038.

The spelling of 4721936 in words is "four million, seven hundred twenty-one thousand, nine hundred thirty-six".