4406691 has 4 divisors (see below), whose sum is σ = 5875592. Its totient is φ = 2937792.

The previous prime is 4406671. The next prime is 4406707. The reversal of 4406691 is 1966044.

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

It is not a de Polignac number, because 4406691 - 2⁵ = 4406659 is a prime.

It is a D-number.

It is a Duffinian number.

4406691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4406671) 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, 734446 + ... + 734451.

It is an arithmetic number, because the mean of its divisors is an integer number (1468898).

Almost surely, 2^4406691 is an apocalyptic number.

4406691 is a deficient number, since it is larger than the sum of its proper divisors (1468901).

4406691 is a wasteful number, since it uses less digits than its factorization.

4406691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468900.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4406691 is about 2099.2119950115. The cubic root of 4406691 is about 163.9472738494.

The spelling of 4406691 in words is "four million, four hundred six thousand, six hundred ninety-one".