2684884340 has 24 divisors (see below), whose sum is σ = 5696387592. Its totient is φ = 1062881280.

The previous prime is 2684884337. The next prime is 2684884343. The reversal of 2684884340 is 434884862.

It is an interprime number because it is at equal distance from previous prime (2684884337) and next prime (2684884343).

It can be written as a sum of positive squares in 4 ways, for example, as 392198416 + 2292685924 = 19804^2 + 47882^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684884343) 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, 690041 + ... + 693920.

It is an arithmetic number, because the mean of its divisors is an integer number (237349483).

Almost surely, 2^2684884340 is an apocalyptic number.

2684884340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684884340 is an abundant number, since it is smaller than the sum of its proper divisors (3011503252).

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

2684884340 is a wasteful number, since it uses less digits than its factorization.

2684884340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384067 (or 1384065 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The square root of 2684884340 is about 51815.8695768005. The cubic root of 2684884340 is about 1389.8732420683.

The spelling of 2684884340 in words is "two billion, six hundred eighty-four million, eight hundred eighty-four thousand, three hundred forty".