814740 has 48 divisors (see below), whose sum is σ = 2349312. Its totient is φ = 210816.

The previous prime is 814717. The next prime is 814741. The reversal of 814740 is 47418.

814740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 814740.

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 814740.

It is not an unprimeable number, because it can be changed into a prime (814741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (48944).

2⁸¹⁴⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174656).

814740 is an abundant number, since it is smaller than the sum of its proper divisors (1534572).

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

814740 is a wasteful number, since it uses less digits than its factorization.

814740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 814740 is about 902.6294920952. The cubic root of 814740 is about 93.3984522882.

The spelling of 814740 in words is "eight hundred fourteen thousand, seven hundred forty".