853397340 has 24 divisors (see below), whose sum is σ = 2389512720. Its totient is φ = 227572608.

The previous prime is 853397339. The next prime is 853397353. The reversal of 853397340 is 43793358.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 853397292 and 853397301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7111585 + ... + 7111704.

It is an arithmetic number, because the mean of its divisors is an integer number (99563030).

Almost surely, 2^853397340 is an apocalyptic number.

It is an amenable number.

853397340 is an abundant number, since it is smaller than the sum of its proper divisors (1536115380).

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

853397340 is a wasteful number, since it uses less digits than its factorization.

853397340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223301 (or 14223299 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 853397340 is about 29212.9652722896. The cubic root of 853397340 is about 948.5285956965.

The spelling of 853397340 in words is "eight hundred fifty-three million, three hundred ninety-seven thousand, three hundred forty".