32440987 has 2 divisors, whose sum is σ = 32440988. Its totient is φ = 32440986.

The previous prime is 32440957. The next prime is 32441011. The reversal of 32440987 is 78904423.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32440987 is a prime.

It is not a weakly prime, because it can be changed into another prime (32440957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220493 + 16220494.

It is an arithmetic number, because the mean of its divisors is an integer number (16220494).

Almost surely, 2^32440987 is an apocalyptic number.

32440987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440987 is an equidigital number, since it uses as much as digits as its factorization.

32440987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 32440987 is about 5695.6989913443. The cubic root of 32440987 is about 318.9319436975.

The spelling of 32440987 in words is "thirty-two million, four hundred forty thousand, nine hundred eighty-seven".