1031868 has 18 divisors (see below), whose sum is σ = 2608424. Its totient is φ = 343944.

The previous prime is 1031837. The next prime is 1031869. The reversal of 1031868 is 8681301.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14296 + ... + 14367.

2^1031868 is an apocalyptic number.

1031868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1031868 is an abundant number, since it is smaller than the sum of its proper divisors (1576556).

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

1031868 is a wasteful number, since it uses less digits than its factorization.

1031868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28673 (or 28668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1031868 is about 1015.8090371718. The cubic root of 1031868 is about 101.0511781932.

It can be divided in two parts, 10 and 31868, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 1031868 in words is "one million, thirty-one thousand, eight hundred sixty-eight".