2446945 has 4 divisors (see below), whose sum is σ = 2936340. Its totient is φ = 1957552.

The previous prime is 2446931. The next prime is 2446973. The reversal of 2446945 is 5496442.

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 1507984 + 938961 = 1228^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 2446945 - 2¹⁵ = 2414177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2446945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244690 + ... + 244699.

It is an arithmetic number, because the mean of its divisors is an integer number (734085).

2^2446945 is an apocalyptic number.

It is an amenable number.

2446945 is a deficient number, since it is larger than the sum of its proper divisors (489395).

2446945 is an equidigital number, since it uses as much as digits as its factorization.

2446945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489394.

The product of its digits is 34560, while the sum is 34.

The square root of 2446945 is about 1564.2713958901. The cubic root of 2446945 is about 134.7539184209.

The spelling of 2446945 in words is "two million, four hundred forty-six thousand, nine hundred forty-five".