4202791 has 4 divisors (see below), whose sum is σ = 4450032. Its totient is φ = 3955552.

The previous prime is 4202789. The next prime is 4202797. The reversal of 4202791 is 1972024.

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 4202791 - 2¹ = 4202789 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 (4202797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123595 + ... + 123628.

It is an arithmetic number, because the mean of its divisors is an integer number (1112508).

Almost surely, 2^4202791 is an apocalyptic number.

4202791 is a deficient number, since it is larger than the sum of its proper divisors (247241).

4202791 is a wasteful number, since it uses less digits than its factorization.

4202791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247240.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4202791 is about 2050.0709743811. The cubic root of 4202791 is about 161.3785954140.

The spelling of 4202791 in words is "four million, two hundred two thousand, seven hundred ninety-one".