4216091 has 4 divisors (see below), whose sum is σ = 4599384. Its totient is φ = 3832800.

The previous prime is 4216073. The next prime is 4216117. The reversal of 4216091 is 1906124.

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 4216091 - 2⁶ = 4216027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4216001) 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, 191630 + ... + 191651.

It is an arithmetic number, because the mean of its divisors is an integer number (1149846).

Almost surely, 2^4216091 is an apocalyptic number.

4216091 is a deficient number, since it is larger than the sum of its proper divisors (383293).

4216091 is a wasteful number, since it uses less digits than its factorization.

4216091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383292.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 4216091 is about 2053.3122022722. The cubic root of 4216091 is about 161.5486471105.

The spelling of 4216091 in words is "four million, two hundred sixteen thousand, ninety-one".