4561966 has 4 divisors (see below), whose sum is σ = 6842952. Its totient is φ = 2280982.

The previous prime is 4561943. The next prime is 4561979. The reversal of 4561966 is 6691654.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 1140490 + ... + 1140493.

It is an arithmetic number, because the mean of its divisors is an integer number (1710738).

Almost surely, 2^4561966 is an apocalyptic number.

4561966 is a deficient number, since it is larger than the sum of its proper divisors (2280986).

4561966 is a wasteful number, since it uses less digits than its factorization.

4561966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280985.

The product of its digits is 38880, while the sum is 37.

The square root of 4561966 is about 2135.8759327264. The cubic root of 4561966 is about 165.8507149670.

The spelling of 4561966 in words is "four million, five hundred sixty-one thousand, nine hundred sixty-six".