4204891 has 4 divisors (see below), whose sum is σ = 4226872. Its totient is φ = 4182912.

The previous prime is 4204859. The next prime is 4204903. The reversal of 4204891 is 1984024.

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 4204891 - 2⁵ = 4204859 is a prime.

It is a super-2 number, since 2×4204891² = 35362216643762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4204091) 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, 10701 + ... + 11086.

It is an arithmetic number, because the mean of its divisors is an integer number (1056718).

Almost surely, 2^4204891 is an apocalyptic number.

4204891 is a deficient number, since it is larger than the sum of its proper divisors (21981).

4204891 is a wasteful number, since it uses less digits than its factorization.

4204891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21980.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4204891 is about 2050.5830878070. The cubic root of 4204891 is about 161.4054695095.

The spelling of 4204891 in words is "four million, two hundred four thousand, eight hundred ninety-one".