3994269 has 16 divisors (see below), whose sum is σ = 5679360. Its totient is φ = 2496960.

The previous prime is 3994267. The next prime is 3994271. The reversal of 3994269 is 9624993.

It is an interprime number because it is at equal distance from previous prime (3994267) and next prime (3994271).

It is not a de Polignac number, because 3994269 - 2¹ = 3994267 is a prime.

It is a super-2 number, since 2×3994269² = 31908369688722, which contains 22 as substring.

3994269 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3994269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3994267) 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, 14604 + ... + 14874.

It is an arithmetic number, because the mean of its divisors is an integer number (354960).

Almost surely, 2^3994269 is an apocalyptic number.

It is an amenable number.

3994269 is a deficient number, since it is larger than the sum of its proper divisors (1685091).

3994269 is an equidigital number, since it uses as much as digits as its factorization.

3994269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 291 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 3994269 is about 1998.5667364389. The cubic root of 3994269 is about 158.6642573330.

The spelling of 3994269 in words is "three million, nine hundred ninety-four thousand, two hundred sixty-nine".