869740 has 12 divisors (see below), whose sum is σ = 1826496. Its totient is φ = 347888.

The previous prime is 869717. The next prime is 869747. The reversal of 869740 is 47968.

869740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 869696 and 869705.

It is not an unprimeable number, because it can be changed into a prime (869747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21724 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (152208).

2⁸⁶⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

869740 is an abundant number, since it is smaller than the sum of its proper divisors (956756).

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

869740 is a wasteful number, since it uses less digits than its factorization.

869740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43496 (or 43494 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 869740 is about 932.5985202647. The cubic root of 869740 is about 95.4545163197.

The spelling of 869740 in words is "eight hundred sixty-nine thousand, seven hundred forty".