4515866 has 16 divisors (see below), whose sum is σ = 7133184. Its totient is φ = 2139984.

The previous prime is 4515857. The next prime is 4515871. The reversal of 4515866 is 6685154.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (445824).

Almost surely, 2^4515866 is an apocalyptic number.

4515866 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4515866 is a deficient number, since it is larger than the sum of its proper divisors (2617318).

4515866 is a wasteful number, since it uses less digits than its factorization.

4515866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 28800, while the sum is 35.

The square root of 4515866 is about 2125.0567051258. The cubic root of 4515866 is about 165.2901658822.

Multiplying 4515866 by its sum of digits (35), we get a triangular number (158055310 = T₁₇₇₇₉).

The spelling of 4515866 in words is "four million, five hundred fifteen thousand, eight hundred sixty-six".