4287791 has 4 divisors (see below), whose sum is σ = 4540032. Its totient is φ = 4035552.

The previous prime is 4287781. The next prime is 4287793. The reversal of 4287791 is 1977824.

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 4287791 - 2⁶ = 4287727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287793) 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, 126095 + ... + 126128.

It is an arithmetic number, because the mean of its divisors is an integer number (1135008).

Almost surely, 2^4287791 is an apocalyptic number.

4287791 is a deficient number, since it is larger than the sum of its proper divisors (252241).

4287791 is a wasteful number, since it uses less digits than its factorization.

4287791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252240.

The product of its digits is 28224, while the sum is 38.

The square root of 4287791 is about 2070.6981914321. The cubic root of 4287791 is about 162.4592844738.

The spelling of 4287791 in words is "four million, two hundred eighty-seven thousand, seven hundred ninety-one".