4026691 has 8 divisors (see below), whose sum is σ = 4132800. Its totient is φ = 3921960.

The previous prime is 4026677. The next prime is 4026703. The reversal of 4026691 is 1966204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4026691 is a prime.

It is a Duffinian number.

4026691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4026611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7956 + ... + 8446.

It is an arithmetic number, because the mean of its divisors is an integer number (516600).

Almost surely, 2^4026691 is an apocalyptic number.

4026691 is a deficient number, since it is larger than the sum of its proper divisors (106109).

4026691 is a wasteful number, since it uses less digits than its factorization.

4026691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4026691 is about 2006.6616555862. The cubic root of 4026691 is about 159.0924004412.

The spelling of 4026691 in words is "four million, twenty-six thousand, six hundred ninety-one".