2446645 has 4 divisors (see below), whose sum is σ = 2935980. Its totient is φ = 1957312.

The previous prime is 2446627. The next prime is 2446651. The reversal of 2446645 is 5466442.

2446645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 2093809 = 594^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2446645 - 2⁷ = 2446517 is a prime.

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 in 3 ways as a sum of consecutive naturals, for example, 244660 + ... + 244669.

It is an arithmetic number, because the mean of its divisors is an integer number (733995).

2^2446645 is an apocalyptic number.

It is an amenable number.

2446645 is a deficient number, since it is larger than the sum of its proper divisors (489335).

2446645 is an equidigital number, since it uses as much as digits as its factorization.

2446645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489334.

The product of its digits is 23040, while the sum is 31.

The square root of 2446645 is about 1564.1755016621. The cubic root of 2446645 is about 134.7484111690.

It can be divided in two parts, 244 and 6645, that added together give a square (6889 = 83²).

The spelling of 2446645 in words is "two million, four hundred forty-six thousand, six hundred forty-five".