4540906 has 8 divisors (see below), whose sum is σ = 6828804. Its totient is φ = 2264640.

The previous prime is 4540903. The next prime is 4540909. The reversal of 4540906 is 6090454.

It is an interprime number because it is at equal distance from previous prime (4540903) and next prime (4540909).

It can be written as a sum of positive squares in 2 ways, for example, as 4515625 + 25281 = 2125^2 + 159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4540903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855 + ... + 3538.

Almost surely, 2^4540906 is an apocalyptic number.

4540906 is a deficient number, since it is larger than the sum of its proper divisors (2287898).

4540906 is a wasteful number, since it uses less digits than its factorization.

4540906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

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

The square root of 4540906 is about 2130.9401680948. The cubic root of 4540906 is about 165.5951084539.

The spelling of 4540906 in words is "four million, five hundred forty thousand, nine hundred six".