415987 has 8 divisors (see below), whose sum is σ = 488880. Its totient is φ = 348960.

The previous prime is 415979. The next prime is 415993. The reversal of 415987 is 789514.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 415987 - 2³ = 415979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (61110).

2⁴¹⁵⁹⁸⁷ is an apocalyptic number.

415987 is a deficient number, since it is larger than the sum of its proper divisors (72893).

415987 is a wasteful number, since it uses less digits than its factorization.

415987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its digits is 10080, while the sum is 34.

The square root of 415987 is about 644.9705419630. The cubic root of 415987 is about 74.6494455218.

The spelling of 415987 in words is "four hundred fifteen thousand, nine hundred eighty-seven".