2499385 has 8 divisors (see below), whose sum is σ = 3427776. Its totient is φ = 1713840.

The previous prime is 2499383. The next prime is 2499389. The reversal of 2499385 is 5839942.

It is a happy number.

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

It is not a de Polignac number, because 2499385 - 2¹ = 2499383 is a prime.

It is a Duffinian number.

2499385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2499383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35671 + ... + 35740.

It is an arithmetic number, because the mean of its divisors is an integer number (428472).

2^2499385 is an apocalyptic number.

It is an amenable number.

2499385 is a deficient number, since it is larger than the sum of its proper divisors (928391).

2499385 is an equidigital number, since it uses as much as digits as its factorization.

2499385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71423.

The product of its digits is 77760, while the sum is 40.

The square root of 2499385 is about 1580.9443380461. The cubic root of 2499385 is about 135.7097508048.

The spelling of 2499385 in words is "two million, four hundred ninety-nine thousand, three hundred eighty-five".