840381932 has 48 divisors (see below), whose sum is σ = 1670860800. Its totient is φ = 366638400.

The previous prime is 840381917. The next prime is 840381943. The reversal of 840381932 is 239183048.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 729557 + ... + 730707.

It is an arithmetic number, because the mean of its divisors is an integer number (34809600).

Almost surely, 2^840381932 is an apocalyptic number.

It is an amenable number.

840381932 is a deficient number, since it is larger than the sum of its proper divisors (830478868).

840381932 is a wasteful number, since it uses less digits than its factorization.

840381932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 840381932 is about 28989.3416965615. The cubic root of 840381932 is about 943.6817774347.

The spelling of 840381932 in words is "eight hundred forty million, three hundred eighty-one thousand, nine hundred thirty-two".