4040913 has 4 divisors (see below), whose sum is σ = 5387888. Its totient is φ = 2693940.

The previous prime is 4040903. The next prime is 4040921. The reversal of 4040913 is 3190404.

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 not a de Polignac number, because 4040913 - 2⁹ = 4040401 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 4040913.

It is not an unprimeable number, because it can be changed into a prime (4040903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673483 + ... + 673488.

It is an arithmetic number, because the mean of its divisors is an integer number (1346972).

Almost surely, 2^4040913 is an apocalyptic number.

It is an amenable number.

4040913 is a deficient number, since it is larger than the sum of its proper divisors (1346975).

4040913 is a wasteful number, since it uses less digits than its factorization.

4040913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346974.

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

The square root of 4040913 is about 2010.2022286327. The cubic root of 4040913 is about 159.2794815570.

The spelling of 4040913 in words is "four million, forty thousand, nine hundred thirteen".