1040650 has 24 divisors (see below), whose sum is σ = 2085804. Its totient is φ = 384000.

The previous prime is 1040629. The next prime is 1040651. The reversal of 1040650 is 560401.

1040650 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 6 ways, for example, as 552049 + 488601 = 743^2 + 699^2 .

It is not an unprimeable number, because it can be changed into a prime (1040651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151 + ... + 1450.

2^1040650 is an apocalyptic number.

1040650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040650 is an abundant number, since it is smaller than the sum of its proper divisors (1045154).

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

1040650 is a wasteful number, since it uses less digits than its factorization.

1040650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1040650 is about 1020.1225416586. The cubic root of 1040650 is about 101.3370434737.

Subtracting from 1040650 its reverse (560401), we obtain a square (480249 = 693²).

The spelling of 1040650 in words is "one million, forty thousand, six hundred fifty".