2684731392 has 450 divisors, whose sum is σ = 9737565992. Its totient is φ = 721944576.

The previous prime is 2684731351. The next prime is 2684731393. The reversal of 2684731392 is 2931374862.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (435456) is a multiple of the sum of its prime factors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684731393) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 157925368 + ... + 157925384.

Almost surely, 2^2684731392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2684731392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4868782996).

2684731392 is an abundant number, since it is smaller than the sum of its proper divisors (7052834600).

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

2684731392 is an frugal number, since it uses more digits than its factorization.

2684731392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 29 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2684731392 is about 51814.3936758889. The cubic root of 2684731392 is about 1389.8468495758.

The spelling of 2684731392 in words is "two billion, six hundred eighty-four million, seven hundred thirty-one thousand, three hundred ninety-two".