4090546 has 8 divisors (see below), whose sum is σ = 6181020. Its totient is φ = 2030208.

The previous prime is 4090531. The next prime is 4090553. The reversal of 4090546 is 6450904.

It can be written as a sum of positive squares in 2 ways, for example, as 3845521 + 245025 = 1961^2 + 495^2 .

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

It is an unprimeable number.

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, 7191 + ... + 7738.

Almost surely, 2^4090546 is an apocalyptic number.

4090546 is a deficient number, since it is larger than the sum of its proper divisors (2090474).

4090546 is a wasteful number, since it uses less digits than its factorization.

4090546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15068.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4090546 is about 2022.5098269230. The cubic root of 4090546 is about 159.9289528315.

It can be divided in two parts, 409054 and 6, that added together give a triangular number (409060 = T₉₀₄).

The spelling of 4090546 in words is "four million, ninety thousand, five hundred forty-six".