840774232 has 16 divisors (see below), whose sum is σ = 1583926200. Its totient is φ = 418393920.

The previous prime is 840774229. The next prime is 840774241. The reversal of 840774232 is 232477048.

It is a junction number, because it is equal to n+sod(n) for n = 840774191 and 840774200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247357 + ... + 250732.

Almost surely, 2^840774232 is an apocalyptic number.

It is an amenable number.

840774232 is a deficient number, since it is larger than the sum of its proper divisors (743151968).

840774232 is a wasteful number, since it uses less digits than its factorization.

840774232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498306 (or 498302 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 840774232 is about 28996.1071870001. The cubic root of 840774232 is about 943.8285951123.

The spelling of 840774232 in words is "eight hundred forty million, seven hundred seventy-four thousand, two hundred thirty-two".