46561866 has 48 divisors (see below), whose sum is σ = 103089024. Its totient is φ = 14007552.

The previous prime is 46561859. The next prime is 46561877. The reversal of 46561866 is 66816564.

46561866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47170 + ... + 48146.

It is an arithmetic number, because the mean of its divisors is an integer number (2147688).

Almost surely, 2^46561866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46561866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51544512).

46561866 is an abundant number, since it is smaller than the sum of its proper divisors (56527158).

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

46561866 is a wasteful number, since it uses less digits than its factorization.

46561866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1042 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 46561866 is about 6823.6255758944. The cubic root of 46561866 is about 359.7577227884.

The spelling of 46561866 in words is "forty-six million, five hundred sixty-one thousand, eight hundred sixty-six".