1036840 has 72 divisors (see below), whose sum is σ = 2836890. Its totient is φ = 340032.

The previous prime is 1036831. The next prime is 1036853. The reversal of 1036840 is 486301.

1036840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 103684 = 966^2 + 322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45069 + ... + 45091.

2^1036840 is an apocalyptic number.

1036840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1036840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418445).

1036840 is an abundant number, since it is smaller than the sum of its proper divisors (1800050).

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

1036840 is a wasteful number, since it uses less digits than its factorization.

1036840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1036840 is about 1018.2534065742. The cubic root of 1036840 is about 101.2132214131.

The spelling of 1036840 in words is "one million, thirty-six thousand, eight hundred forty".