445632987 has 16 divisors (see below), whose sum is σ = 600993792. Its totient is φ = 293700480.

The previous prime is 445632983. The next prime is 445632989. The reversal of 445632987 is 789236544.

It is not a de Polignac number, because 445632987 - 2² = 445632983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445632983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93363 + ... + 98019.

It is an arithmetic number, because the mean of its divisors is an integer number (37562112).

Almost surely, 2^445632987 is an apocalyptic number.

445632987 is a deficient number, since it is larger than the sum of its proper divisors (155360805).

445632987 is a wasteful number, since it uses less digits than its factorization.

445632987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its digits is 1451520, while the sum is 48.

The square root of 445632987 is about 21110.0210089900. The cubic root of 445632987 is about 763.8224936657.

The spelling of 445632987 in words is "four hundred forty-five million, six hundred thirty-two thousand, nine hundred eighty-seven".