32864231 has 2 divisors, whose sum is σ = 32864232. Its totient is φ = 32864230.

The previous prime is 32864219. The next prime is 32864269. The reversal of 32864231 is 13246823.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32864231 is a prime.

It is a super-2 number, since 2×32864231² = 2160115358442722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32864194 and 32864203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32864201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16432115 + 16432116.

It is an arithmetic number, because the mean of its divisors is an integer number (16432116).

Almost surely, 2^32864231 is an apocalyptic number.

32864231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32864231 is an equidigital number, since it uses as much as digits as its factorization.

32864231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 32864231 is about 5732.7332922438. The cubic root of 32864231 is about 320.3129458062.

The spelling of 32864231 in words is "thirty-two million, eight hundred sixty-four thousand, two hundred thirty-one".