840602 has 16 divisors (see below), whose sum is σ = 1458240. Its totient is φ = 355968.

The previous prime is 840601. The next prime is 840611. The reversal of 840602 is 206048.

It is a super-2 number, since 2×840602² = 1413223444808, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840602.

It is not an unprimeable number, because it can be changed into a prime (840601) 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, 1049 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (91140).

2⁸⁴⁰⁶⁰² is an apocalyptic number.

840602 is a deficient number, since it is larger than the sum of its proper divisors (617638).

840602 is a wasteful number, since it uses less digits than its factorization.

840602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 840602 is about 916.8434980955. The cubic root of 840602 is about 94.3764143174.

The spelling of 840602 in words is "eight hundred forty thousand, six hundred two".