1369831 has 2 divisors, whose sum is σ = 1369832. Its totient is φ = 1369830.

The previous prime is 1369813. The next prime is 1369853. The reversal of 1369831 is 1389631.

Together with previous prime (1369813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1369831 - 2¹¹ = 1367783 is a prime.

It is a super-2 number, since 2×1369831² = 3752873937122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1369793 and 1369802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369801) 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 as a sum of consecutive naturals, namely, 684915 + 684916.

It is an arithmetic number, because the mean of its divisors is an integer number (684916).

2^1369831 is an apocalyptic number.

1369831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369831 is an equidigital number, since it uses as much as digits as its factorization.

1369831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 1369831 is about 1170.3977956234. The cubic root of 1369831 is about 111.0594870924.

The spelling of 1369831 in words is "one million, three hundred sixty-nine thousand, eight hundred thirty-one".