4040546 has 8 divisors (see below), whose sum is σ = 6070620. Its totient is φ = 2017008.

The previous prime is 4040527. The next prime is 4040549. The reversal of 4040546 is 6450404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3667225 + 373321 = 1915^2 + 611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4040549) 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, 440 + ... + 2876.

Almost surely, 2^4040546 is an apocalyptic number.

4040546 is a deficient number, since it is larger than the sum of its proper divisors (2030074).

4040546 is a wasteful number, since it uses less digits than its factorization.

4040546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4040546 is about 2010.1109422119. The cubic root of 4040546 is about 159.2746594339.

The spelling of 4040546 in words is "four million, forty thousand, five hundred forty-six".