32904869 has 2 divisors, whose sum is σ = 32904870. Its totient is φ = 32904868.

The previous prime is 32904791. The next prime is 32904871. The reversal of 32904869 is 96840923.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 10484644 = 4735^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 32904869 - 2¹⁶ = 32839333 is a prime.

It is a super-2 number, since 2×32904869² = 2165460807814322, which contains 22 as substring.

Together with 32904871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32904899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16452434 + 16452435.

It is an arithmetic number, because the mean of its divisors is an integer number (16452435).

Almost surely, 2^32904869 is an apocalyptic number.

It is an amenable number.

32904869 is a deficient number, since it is larger than the sum of its proper divisors (1).

32904869 is an equidigital number, since it uses as much as digits as its factorization.

32904869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 32904869 is about 5736.2765798033. The cubic root of 32904869 is about 320.4449182220. Note that the first 3 decimals are identical.

The spelling of 32904869 in words is "thirty-two million, nine hundred four thousand, eight hundred sixty-nine".