6040645 has 16 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 4428864.

The previous prime is 6040637. The next prime is 6040649. The reversal of 6040645 is 5460406.

It is a happy number.

6040645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6040645 - 2³ = 6040637 is a prime.

6040645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6040649) 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, 12702 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^6040645 is an apocalyptic number.

6040645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6040645 is a deficient number, since it is larger than the sum of its proper divisors (1821755).

6040645 is a wasteful number, since it uses less digits than its factorization.

6040645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6040645 is about 2457.7723653748. The cubic root of 6040645 is about 182.1214521632.

The spelling of 6040645 in words is "six million, forty thousand, six hundred forty-five".