4259691 has 12 divisors (see below), whose sum is σ = 6254560. Its totient is φ = 2792880.

The previous prime is 4259687. The next prime is 4259701. The reversal of 4259691 is 1969524.

It is not a de Polignac number, because 4259691 - 2² = 4259687 is a prime.

It is a Duffinian number.

4259691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4259621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3331 + ... + 4428.

Almost surely, 2^4259691 is an apocalyptic number.

4259691 is a deficient number, since it is larger than the sum of its proper divisors (1994869).

4259691 is a wasteful number, since it uses less digits than its factorization.

4259691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826 (or 7823 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 4259691 is about 2063.9018872030. The cubic root of 4259691 is about 162.1036145557.

It can be divided in two parts, 4259 and 691, that added together give a triangular number (4950 = T₉₉).

The spelling of 4259691 in words is "four million, two hundred fifty-nine thousand, six hundred ninety-one".