840702 has 16 divisors (see below), whose sum is σ = 1709712. Its totient is φ = 275520.

The previous prime is 840683. The next prime is 840703. The reversal of 840702 is 207048.

It is a happy number.

840702 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 840702.

It is not an unprimeable number, because it can be changed into a prime (840703) by changing a digit.

840702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (106857).

2⁸⁴⁰⁷⁰² is an apocalyptic number.

840702 is an abundant number, since it is smaller than the sum of its proper divisors (869010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

840702 is a wasteful number, since it uses less digits than its factorization.

840702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 840702 is about 916.8980314081. The cubic root of 840702 is about 94.3801565827.

The spelling of 840702 in words is "eight hundred forty thousand, seven hundred two".