853740 has 120 divisors (see below), whose sum is σ = 2927232. Its totient is φ = 207360.

The previous prime is 853739. The next prime is 853759. The reversal of 853740 is 47358.

853740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27525 + ... + 27555.

2⁸⁵³⁷⁴⁰ 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 853740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463616).

853740 is an abundant number, since it is smaller than the sum of its proper divisors (2073492).

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

853740 is a wasteful number, since it uses less digits than its factorization.

853740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 853740 is about 923.9805192752. The cubic root of 853740 is about 94.8655531221.

The spelling of 853740 in words is "eight hundred fifty-three thousand, seven hundred forty".