3698831 has 2 divisors, whose sum is σ = 3698832. Its totient is φ = 3698830.

The previous prime is 3698819. The next prime is 3698839. The reversal of 3698831 is 1388963.

3698831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1388963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3698831 - 2⁶ = 3698767 is a prime.

It is a super-2 number, since 2×3698831² = 27362701533122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3698839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849415 + 1849416.

It is an arithmetic number, because the mean of its divisors is an integer number (1849416).

Almost surely, 2^3698831 is an apocalyptic number.

3698831 is a deficient number, since it is larger than the sum of its proper divisors (1).

3698831 is an equidigital number, since it uses as much as digits as its factorization.

3698831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 3698831 is about 1923.2345150813. The cubic root of 3698831 is about 154.6517467483.

The spelling of 3698831 in words is "three million, six hundred ninety-eight thousand, eight hundred thirty-one".