1040688 has 100 divisors (see below), whose sum is σ = 3330888. Its totient is φ = 311040.

The previous prime is 1040671. The next prime is 1040717. The reversal of 1040688 is 8860401.

1040688 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 unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14220 + ... + 14292.

2^1040688 is an apocalyptic number.

1040688 is a gapful number since it is divisible by the number (18) 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 1040688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1665444).

1040688 is an abundant number, since it is smaller than the sum of its proper divisors (2290200).

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

1040688 is a wasteful number, since it uses less digits than its factorization.

1040688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1040688 is about 1020.1411667019. The cubic root of 1040688 is about 101.3382769210.

It can be divided in two parts, 1040 and 688, that added together give a cube (1728 = 12³).

The spelling of 1040688 in words is "one million, forty thousand, six hundred eighty-eight".