2635340 has 48 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 946176.

The previous prime is 2635331. The next prime is 2635349. The reversal of 2635340 is 435362.

It is an interprime number because it is at equal distance from previous prime (2635331) and next prime (2635349).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2635349) 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, 7652 + ... + 7988.

It is an arithmetic number, because the mean of its divisors is an integer number (127764).

2^2635340 is an apocalyptic number.

2635340 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 2635340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3066336).

2635340 is an abundant number, since it is smaller than the sum of its proper divisors (3497332).

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

2635340 is a wasteful number, since it uses less digits than its factorization.

2635340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2635340 is about 1623.3730316843. The cubic root of 2635340 is about 138.1270970792.

The spelling of 2635340 in words is "two million, six hundred thirty-five thousand, three hundred forty".