1026831 has 16 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 623616.

The previous prime is 1026829. The next prime is 1026833. The reversal of 1026831 is 1386201.

It is an interprime number because it is at equal distance from previous prime (1026829) and next prime (1026833).

It is not a de Polignac number, because 1026831 - 2¹ = 1026829 is a prime.

It is a super-2 number, since 2×1026831² = 2108763805122, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1026798 and 1026807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4291 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2^1026831 is an apocalyptic number.

1026831 is a deficient number, since it is larger than the sum of its proper divisors (467025).

1026831 is a wasteful number, since it uses less digits than its factorization.

1026831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1026831 is about 1013.3266995397. The cubic root of 1026831 is about 100.8864848904.

The spelling of 1026831 in words is "one million, twenty-six thousand, eight hundred thirty-one".