840745348 has 24 divisors (see below), whose sum is σ = 1480870944. Its totient is φ = 417648000.

The previous prime is 840745343. The next prime is 840745369. The reversal of 840745348 is 843547048.

It is a super-2 number, since 2×840745348² = 1413705480367282208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (840745343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799423 + ... + 800473.

It is an arithmetic number, because the mean of its divisors is an integer number (61702956).

Almost surely, 2^840745348 is an apocalyptic number.

It is an amenable number.

840745348 is a deficient number, since it is larger than the sum of its proper divisors (640125596).

840745348 is a wasteful number, since it uses less digits than its factorization.

840745348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The square root of 840745348 is about 28995.6091158644. The cubic root of 840745348 is about 943.8177868769.

The spelling of 840745348 in words is "eight hundred forty million, seven hundred forty-five thousand, three hundred forty-eight".