3869231 has 2 divisors, whose sum is σ = 3869232. Its totient is φ = 3869230.

The previous prime is 3869213. The next prime is 3869263. The reversal of 3869231 is 1329683.

Together with previous prime (3869213) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (3869263) can be obtained adding 3869231 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3869231 - 2⁶ = 3869167 is a prime.

It is a super-2 number, since 2×3869231² = 29941897062722, which contains 22 as substring.

It is equal to p₂₇₄₅₇₇ and since 3869231 and 274577 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3860231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934615 + 1934616.

It is an arithmetic number, because the mean of its divisors is an integer number (1934616).

Almost surely, 2^3869231 is an apocalyptic number.

3869231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869231 is an equidigital number, since it uses as much as digits as its factorization.

3869231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 3869231 is about 1967.0360952458. The cubic root of 3869231 is about 156.9910471317.

The spelling of 3869231 in words is "three million, eight hundred sixty-nine thousand, two hundred thirty-one".