920471 has 4 divisors (see below), whose sum is σ = 924072. Its totient is φ = 916872.

The previous prime is 920467. The next prime is 920473. The reversal of 920471 is 174029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920471 - 2² = 920467 is a prime.

It is a super-3 number, since 3×920471³ = 2339653726756941333, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920473) 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 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (231018).

2⁹²⁰⁴⁷¹ is an apocalyptic number.

920471 is a deficient number, since it is larger than the sum of its proper divisors (3601).

920471 is a wasteful number, since it uses less digits than its factorization.

920471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 920471 is about 959.4117989685. The cubic root of 920471 is about 97.2754772301.

The spelling of 920471 in words is "nine hundred twenty thousand, four hundred seventy-one".