2385945 has 24 divisors (see below), whose sum is σ = 4250376. Its totient is φ = 1237248.

The previous prime is 2385931. The next prime is 2385947. The reversal of 2385945 is 5495832.

It can be written as a sum of positive squares in 4 ways, for example, as 1058841 + 1327104 = 1029^2 + 1152^2 .

It is not a de Polignac number, because 2385945 - 2⁶ = 2385881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (177099).

2^2385945 is an apocalyptic number.

It is an amenable number.

2385945 is a deficient number, since it is larger than the sum of its proper divisors (1864431).

2385945 is a wasteful number, since it uses less digits than its factorization.

2385945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1478 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2385945 is about 1544.6504458938. The cubic root of 2385945 is about 133.6247203769.

The spelling of 2385945 in words is "two million, three hundred eighty-five thousand, nine hundred forty-five".