46446021 has 8 divisors (see below), whose sum is σ = 68808960. Its totient is φ = 30963996.

The previous prime is 46445963. The next prime is 46446041. The reversal of 46446021 is 12064464.

46446021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46446021 - 2⁶ = 46445957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1720223 = 46446021 / (4 + 6 + 4 + 4 + 6 + 0 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46446041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 860085 + ... + 860138.

It is an arithmetic number, because the mean of its divisors is an integer number (8601120).

Almost surely, 2^46446021 is an apocalyptic number.

It is an amenable number.

46446021 is a deficient number, since it is larger than the sum of its proper divisors (22362939).

46446021 is a wasteful number, since it uses less digits than its factorization.

46446021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720232 (or 1720226 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 46446021 is about 6815.1317668846. The cubic root of 46446021 is about 359.4591183153.

The spelling of 46446021 in words is "forty-six million, four hundred forty-six thousand, twenty-one".