920587 has 8 divisors (see below), whose sum is σ = 957440. Its totient is φ = 884520.

The previous prime is 920561. The next prime is 920609. The reversal of 920587 is 785029.

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 920587 - 2¹¹ = 918539 is a prime.

It is a Duffinian number.

920587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (920687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3262 + ... + 3532.

It is an arithmetic number, because the mean of its divisors is an integer number (119680).

2⁹²⁰⁵⁸⁷ is an apocalyptic number.

920587 is a deficient number, since it is larger than the sum of its proper divisors (36853).

920587 is a wasteful number, since it uses less digits than its factorization.

920587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 920587 is about 959.4722507712. The cubic root of 920587 is about 97.2795633560.

The spelling of 920587 in words is "nine hundred twenty thousand, five hundred eighty-seven".