2453340 has 48 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 632640.

The previous prime is 2453333. The next prime is 2453369. The reversal of 2453340 is 433542.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^2453340 is an apocalyptic number.

2453340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2453340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3548160).

2453340 is an abundant number, since it is smaller than the sum of its proper divisors (4642980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2453340 is a wasteful number, since it uses less digits than its factorization.

2453340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2453340 is about 1566.3141447360. The cubic root of 2453340 is about 134.8712077590.

Adding to 2453340 its reverse (433542), we get a palindrome (2886882).

The spelling of 2453340 in words is "two million, four hundred fifty-three thousand, three hundred forty".