46446639 has 8 divisors (see below), whose sum is σ = 62071680. Its totient is φ = 30893016.

The previous prime is 46446623. The next prime is 46446641. The reversal of 46446639 is 93664464.

46446639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46446639 - 2⁴ = 46446623 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 46446639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46446689) 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, 16317 + ... + 18950.

It is an arithmetic number, because the mean of its divisors is an integer number (7758960).

Almost surely, 2^46446639 is an apocalyptic number.

46446639 is a deficient number, since it is larger than the sum of its proper divisors (15625041).

46446639 is a wasteful number, since it uses less digits than its factorization.

46446639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35709.

The product of its digits is 373248, while the sum is 42.

The square root of 46446639 is about 6815.1771070164. The cubic root of 46446639 is about 359.4607126015.

The spelling of 46446639 in words is "forty-six million, four hundred forty-six thousand, six hundred thirty-nine".