2389505 has 16 divisors (see below), whose sum is σ = 2985984. Its totient is φ = 1834560.

The previous prime is 2389501. The next prime is 2389507. The reversal of 2389505 is 5059832.

It is a happy number.

It is not a de Polignac number, because 2389505 - 2² = 2389501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18752 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (186624).

2^2389505 is an apocalyptic number.

It is an amenable number.

2389505 is a deficient number, since it is larger than the sum of its proper divisors (596479).

2389505 is a wasteful number, since it uses less digits than its factorization.

2389505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2389505 is about 1545.8023806425. The cubic root of 2389505 is about 133.6911465527.

The spelling of 2389505 in words is "two million, three hundred eighty-nine thousand, five hundred five".