840383026 has 12 divisors (see below), whose sum is σ = 1466382798. Its totient is φ = 360164112.

The previous prime is 840383023. The next prime is 840383041. The reversal of 840383026 is 620383048.

It can be written as a sum of positive squares in only one way, i.e., 743380225 + 97002801 = 27265^2 + 9849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 840382982 and 840383000.

It is not an unprimeable number, because it can be changed into a prime (840383021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4287571 + ... + 4287766.

Almost surely, 2^840383026 is an apocalyptic number.

840383026 is a deficient number, since it is larger than the sum of its proper divisors (625999772).

840383026 is a wasteful number, since it uses less digits than its factorization.

840383026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8575353 (or 8575346 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 840383026 is about 28989.3605655592. The cubic root of 840383026 is about 943.6821869260.

The spelling of 840383026 in words is "eight hundred forty million, three hundred eighty-three thousand, twenty-six".