284420973 has 8 divisors (see below), whose sum is σ = 379735936. Its totient is φ = 189360000.

The previous prime is 284420957. The next prime is 284420989. The reversal of 284420973 is 379024482.

It is an interprime number because it is at equal distance from previous prime (284420957) and next prime (284420989).

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

It is not a de Polignac number, because 284420973 - 2⁴ = 284420957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284420933) 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, 60868 + ... + 65373.

It is an arithmetic number, because the mean of its divisors is an integer number (47466992).

Almost surely, 2^284420973 is an apocalyptic number.

It is an amenable number.

284420973 is a deficient number, since it is larger than the sum of its proper divisors (95314963).

284420973 is a wasteful number, since it uses less digits than its factorization.

284420973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126995.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 284420973 is about 16864.7849971472. The cubic root of 284420973 is about 657.6384634198.

The spelling of 284420973 in words is "two hundred eighty-four million, four hundred twenty thousand, nine hundred seventy-three".