4000269 has 16 divisors (see below), whose sum is σ = 6564992. Its totient is φ = 2109888.

The previous prime is 4000267. The next prime is 4000273. The reversal of 4000269 is 9620004.

It is not a de Polignac number, because 4000269 - 2¹ = 4000267 is a prime.

It is a super-2 number, since 2×4000269² = 32004304144722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7054 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (410312).

Almost surely, 2^4000269 is an apocalyptic number.

It is an amenable number.

4000269 is a deficient number, since it is larger than the sum of its proper divisors (2564723).

4000269 is a wasteful number, since it uses less digits than its factorization.

4000269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14676.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4000269 is about 2000.0672488694. The cubic root of 4000269 is about 158.7436635411.

The spelling of 4000269 in words is "four million, two hundred sixty-nine", and thus it is an aban number.