4541906 has 4 divisors (see below), whose sum is σ = 6812862. Its totient is φ = 2270952.

The previous prime is 4541897. The next prime is 4541909. The reversal of 4541906 is 6091454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6091454 = 2 ⋅3045727.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 152881 = 2095^2 + 391^2 .

It is a super-2 number, since 2×4541906² = 41257820225672, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4541909) 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 as a sum of consecutive naturals, namely, 1135475 + ... + 1135478.

Almost surely, 2^4541906 is an apocalyptic number.

4541906 is a deficient number, since it is larger than the sum of its proper divisors (2270956).

4541906 is a wasteful number, since it uses less digits than its factorization.

4541906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270955.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4541906 is about 2131.1747933945. The cubic root of 4541906 is about 165.6072633671.

It can be divided in two parts, 4541 and 906, that multiplied together give a triangular number (4114146 = T₂₈₆₈).

The spelling of 4541906 in words is "four million, five hundred forty-one thousand, nine hundred six".