840552928 has 24 divisors (see below), whose sum is σ = 1657112688. Its totient is φ = 419698944.

The previous prime is 840552857. The next prime is 840552971. The reversal of 840552928 is 829255048.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 6100 + ... + 41452.

It is an arithmetic number, because the mean of its divisors is an integer number (69046362).

Almost surely, 2^840552928 is an apocalyptic number.

It is an amenable number.

840552928 is a deficient number, since it is larger than the sum of its proper divisors (816559760).

840552928 is a wasteful number, since it uses less digits than its factorization.

840552928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36106 (or 36098 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 840552928 is about 28992.2908373933. The cubic root of 840552928 is about 943.7457780435.

The spelling of 840552928 in words is "eight hundred forty million, five hundred fifty-two thousand, nine hundred twenty-eight".