4040369 has 4 divisors (see below), whose sum is σ = 4253040. Its totient is φ = 3827700.

The previous prime is 4040359. The next prime is 4040371. The reversal of 4040369 is 9630404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4040369 - 2⁴ = 4040353 is a prime.

It is a super-2 number, since 2×4040369² = 32649163312322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106307 + ... + 106344.

It is an arithmetic number, because the mean of its divisors is an integer number (1063260).

Almost surely, 2^4040369 is an apocalyptic number.

It is an amenable number.

4040369 is a deficient number, since it is larger than the sum of its proper divisors (212671).

4040369 is a wasteful number, since it uses less digits than its factorization.

4040369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212670.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4040369 is about 2010.0669143091. The cubic root of 4040369 is about 159.2723336735.

The spelling of 4040369 in words is "four million, forty thousand, three hundred sixty-nine".