902646340 has 12 divisors (see below), whose sum is σ = 1895557356. Its totient is φ = 361058528.

The previous prime is 902646307. The next prime is 902646347. The reversal of 902646340 is 43646209.

It can be written as a sum of positive squares in 2 ways, for example, as 246364416 + 656281924 = 15696^2 + 25618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 902646296 and 902646305.

It is not an unprimeable number, because it can be changed into a prime (902646347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22566139 + ... + 22566178.

It is an arithmetic number, because the mean of its divisors is an integer number (157963113).

Almost surely, 2^902646340 is an apocalyptic number.

It is an amenable number.

902646340 is an abundant number, since it is smaller than the sum of its proper divisors (992911016).

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

902646340 is a wasteful number, since it uses less digits than its factorization.

902646340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45132326 (or 45132324 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 902646340 is about 30044.0732924149. The cubic root of 902646340 is about 966.4347598005.

The spelling of 902646340 in words is "nine hundred two million, six hundred forty-six thousand, three hundred forty".