2289731436 has 48 divisors (see below), whose sum is σ = 5960062080. Its totient is φ = 760194000.

The previous prime is 2289731417. The next prime is 2289731447. The reversal of 2289731436 is 6341379822.

It is a junction number, because it is equal to n+sod(n) for n = 2289731391 and 2289731400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15126 + ... + 69341.

It is an arithmetic number, because the mean of its divisors is an integer number (124167960).

Almost surely, 2^2289731436 is an apocalyptic number.

It is an amenable number.

2289731436 is an abundant number, since it is smaller than the sum of its proper divisors (3670330644).

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

2289731436 is a wasteful number, since it uses less digits than its factorization.

2289731436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84731 (or 84723 counting only the distinct ones).

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

The square root of 2289731436 is about 47851.1382936707. The cubic root of 2289731436 is about 1318.0387610133.

The spelling of 2289731436 in words is "two billion, two hundred eighty-nine million, seven hundred thirty-one thousand, four hundred thirty-six".