4229791 has 4 divisors (see below), whose sum is σ = 4247584. Its totient is φ = 4212000.

The previous prime is 4229783. The next prime is 4229809. The reversal of 4229791 is 1979224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4229791 - 2³ = 4229783 is a prime.

It is a super-2 number, since 2×4229791² = 35782263807362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229711) 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, 8535 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (1061896).

Almost surely, 2^4229791 is an apocalyptic number.

4229791 is a deficient number, since it is larger than the sum of its proper divisors (17793).

4229791 is a wasteful number, since it uses less digits than its factorization.

4229791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792.

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

The square root of 4229791 is about 2056.6455698540. The cubic root of 4229791 is about 161.7234396323.

The spelling of 4229791 in words is "four million, two hundred twenty-nine thousand, seven hundred ninety-one".