3996369 has 12 divisors (see below), whose sum is σ = 6216756. Its totient is φ = 2459232.

The previous prime is 3996361. The next prime is 3996379. The reversal of 3996369 is 9636993.

3996369 is a `hidden beast` number, since 3 + 9 + 9 + 636 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 2214144 = 1335^2 + 1488^2 .

It is not a de Polignac number, because 3996369 - 2³ = 3996361 is a prime.

It is a super-2 number, since 2×3996369² = 31941930368322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3996361) 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, 16962 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (518063).

Almost surely, 2^3996369 is an apocalyptic number.

3996369 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3996369 is a deficient number, since it is larger than the sum of its proper divisors (2220387).

3996369 is a wasteful number, since it uses less digits than its factorization.

3996369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34176 (or 34173 counting only the distinct ones).

The product of its digits is 236196, while the sum is 45.

The square root of 3996369 is about 1999.0920439039. The cubic root of 3996369 is about 158.6920585456.

The spelling of 3996369 in words is "three million, nine hundred ninety-six thousand, three hundred sixty-nine".