2389775 has 12 divisors (see below), whose sum is σ = 3138192. Its totient is φ = 1799040.

The previous prime is 2389757. The next prime is 2389781. The reversal of 2389775 is 5779832.

It is not a de Polignac number, because 2389775 - 2¹² = 2385679 is a prime.

It is a super-2 number, since 2×2389775² = 11422049101250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2387 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (261516).

2^2389775 is an apocalyptic number.

2389775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2389775 is a deficient number, since it is larger than the sum of its proper divisors (748417).

2389775 is a wasteful number, since it uses less digits than its factorization.

2389775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5645 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 2389775 is about 1545.8897114607. The cubic root of 2389775 is about 133.6961818006.

It can be divided in two parts, 23 and 89775, that added together give a palindrome (89798).

The spelling of 2389775 in words is "two million, three hundred eighty-nine thousand, seven hundred seventy-five".