2069831 has 4 divisors (see below), whose sum is σ = 2100792. Its totient is φ = 2038872.

The previous prime is 2069827. The next prime is 2069843. The reversal of 2069831 is 1389602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2069831 - 2² = 2069827 is a prime.

It is a super-2 number, since 2×2069831² = 8568400737122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2069794 and 2069803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069861) 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 3 ways as a sum of consecutive naturals, for example, 15380 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (525198).

2^2069831 is an apocalyptic number.

2069831 is a deficient number, since it is larger than the sum of its proper divisors (30961).

2069831 is an equidigital number, since it uses as much as digits as its factorization.

2069831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30960.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2069831 is about 1438.6907242351. The cubic root of 2069831 is about 127.4417214113.

The spelling of 2069831 in words is "two million, sixty-nine thousand, eight hundred thirty-one".