4721299 has 6 divisors (see below), whose sum is σ = 5189660. Its totient is φ = 4291980.

The previous prime is 4721263. The next prime is 4721303. The reversal of 4721299 is 9921274.

It is a happy number.

It is not a de Polignac number, because 4721299 - 2⁹ = 4720787 is a prime.

It is a Duffinian number.

4721299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4721999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19389 + ... + 19630.

Almost surely, 2^4721299 is an apocalyptic number.

4721299 is a deficient number, since it is larger than the sum of its proper divisors (468361).

4721299 is a wasteful number, since it uses less digits than its factorization.

4721299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39041 (or 39030 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 4721299 is about 2172.8550342809. The cubic root of 4721299 is about 167.7595175107.

It can be divided in two parts, 472 and 1299, that added together give a palindrome (1771).

The spelling of 4721299 in words is "four million, seven hundred twenty-one thousand, two hundred ninety-nine".