2390265 has 12 divisors (see below), whose sum is σ = 4143204. Its totient is φ = 1274784.

The previous prime is 2390263. The next prime is 2390291. The reversal of 2390265 is 5620932.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 710649 = 1296^2 + 843^2 .

It is not a de Polignac number, because 2390265 - 2¹ = 2390263 is a prime.

It is a super-4 number, since 4×2390265⁴ (a number of 27 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2³ + 3¹¹ + 9⁶ + 0 + 2¹¹ + 6⁸ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26514 + ... + 26603.

It is an arithmetic number, because the mean of its divisors is an integer number (345267).

2^2390265 is an apocalyptic number.

It is an amenable number.

2390265 is a deficient number, since it is larger than the sum of its proper divisors (1752939).

2390265 is a wasteful number, since it uses less digits than its factorization.

2390265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53128 (or 53125 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 2390265 is about 1546.0481881235. The cubic root of 2390265 is about 133.7053188745.

Subtracting from 2390265 its product of nonzero digits (3240), we obtain a square (2387025 = 1545²).

The spelling of 2390265 in words is "two million, three hundred ninety thousand, two hundred sixty-five".