1036820 has 24 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 405536.

The previous prime is 1036799. The next prime is 1036829. The reversal of 1036820 is 286301.

1036820 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 1036792 and 1036801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 1491.

It is an arithmetic number, because the mean of its divisors is an integer number (92736).

2^1036820 is an apocalyptic number.

1036820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1036820 is an abundant number, since it is smaller than the sum of its proper divisors (1188844).

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

1036820 is a wasteful number, since it uses less digits than its factorization.

1036820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1036820 is about 1018.2435857888. The cubic root of 1036820 is about 101.2125706288.

The spelling of 1036820 in words is "one million, thirty-six thousand, eight hundred twenty".