2562340 has 48 divisors (see below), whose sum is σ = 6189120. Its totient is φ = 881280.

The previous prime is 2562337. The next prime is 2562347. The reversal of 2562340 is 432652.

2562340 = T₄₀ + T₄₁ + ... + T₂₄₈.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2562347) 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, 3874 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (128940).

2^2562340 is an apocalyptic number.

2562340 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 2562340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3094560).

2562340 is an abundant number, since it is smaller than the sum of its proper divisors (3626780).

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

2562340 is a wasteful number, since it uses less digits than its factorization.

2562340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2562340 is about 1600.7310829743. The cubic root of 2562340 is about 136.8397437047.

Adding to 2562340 its reverse (432652), we get a palindrome (2994992).

The spelling of 2562340 in words is "two million, five hundred sixty-two thousand, three hundred forty".