46821564 has 30 divisors (see below), whose sum is σ = 122401664. Its totient is φ = 15607080.

The previous prime is 46821547. The next prime is 46821601. The reversal of 46821564 is 46512864.

46821564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 9 ways as a sum of consecutive naturals, for example, 71932 + ... + 72579.

Almost surely, 2^46821564 is an apocalyptic number.

It is an amenable number.

46821564 is an abundant number, since it is smaller than the sum of its proper divisors (75580100).

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

46821564 is a wasteful number, since it uses less digits than its factorization.

46821564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144527 (or 144516 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 46821564 is about 6842.6284423458. The cubic root of 46821564 is about 360.4253306184.

The spelling of 46821564 in words is "forty-six million, eight hundred twenty-one thousand, five hundred sixty-four".