4540866 has 32 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 1361040.

The previous prime is 4540807. The next prime is 4540883. The reversal of 4540866 is 6680454.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6741 + ... + 7383.

It is an arithmetic number, because the mean of its divisors is an integer number (312984).

Almost surely, 2^4540866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5007744).

4540866 is an abundant number, since it is smaller than the sum of its proper divisors (5474622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4540866 is a wasteful number, since it uses less digits than its factorization.

4540866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 4540866 is about 2130.9307825455. The cubic root of 4540866 is about 165.5946222203.

The spelling of 4540866 in words is "four million, five hundred forty thousand, eight hundred sixty-six".