32490869 has 2 divisors, whose sum is σ = 32490870. Its totient is φ = 32490868.

The previous prime is 32490863. The next prime is 32490907. The reversal of 32490869 is 96809423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18164644 + 14326225 = 4262^2 + 3785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32490869 is a prime.

It is a super-2 number, since 2×32490869² = 2111313136750322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32490863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16245434 + 16245435.

It is an arithmetic number, because the mean of its divisors is an integer number (16245435).

Almost surely, 2^32490869 is an apocalyptic number.

It is an amenable number.

32490869 is a deficient number, since it is larger than the sum of its proper divisors (1).

32490869 is an equidigital number, since it uses as much as digits as its factorization.

32490869 is an odious number, because the sum of its binary digits is odd.

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

The square root of 32490869 is about 5700.0762275605. The cubic root of 32490869 is about 319.0953256581.

The spelling of 32490869 in words is "thirty-two million, four hundred ninety thousand, eight hundred sixty-nine".