2459945 has 8 divisors (see below), whose sum is σ = 3031944. Its totient is φ = 1914624.

The previous prime is 2459923. The next prime is 2459953. The reversal of 2459945 is 5499542.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 2374681 = 292^2 + 1541^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2459945 - 2¹⁰ = 2458921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2459899 and 2459908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6464 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (378993).

2^2459945 is an apocalyptic number.

It is an amenable number.

2459945 is a deficient number, since it is larger than the sum of its proper divisors (571999).

2459945 is a wasteful number, since it uses less digits than its factorization.

2459945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339.

The product of its digits is 64800, while the sum is 38.

The square root of 2459945 is about 1568.4211806782. The cubic root of 2459945 is about 134.9921348870.

The spelling of 2459945 in words is "two million, four hundred fifty-nine thousand, nine hundred forty-five".