920387 has 8 divisors (see below), whose sum is σ = 1004304. Its totient is φ = 838368.

The previous prime is 920377. The next prime is 920393. The reversal of 920387 is 783029.

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 920387 - 2⁴ = 920371 is a prime.

It is a super-2 number, since 2×920387² = 1694224459538, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920387.

It is not an unprimeable number, because it can be changed into a prime (920357) 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, 653 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (125538).

2⁹²⁰³⁸⁷ is an apocalyptic number.

920387 is a deficient number, since it is larger than the sum of its proper divisors (83917).

920387 is a wasteful number, since it uses less digits than its factorization.

920387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 920387 is about 959.3680211473. The cubic root of 920387 is about 97.2725180969.

The spelling of 920387 in words is "nine hundred twenty thousand, three hundred eighty-seven".