284020965 has 16 divisors (see below), whose sum is σ = 504926400. Its totient is φ = 151477776.

The previous prime is 284020943. The next prime is 284020967. The reversal of 284020965 is 569020482.

It is a happy number.

It is not a de Polignac number, because 284020965 - 2⁶ = 284020901 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284020967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051795 + ... + 1052064.

It is an arithmetic number, because the mean of its divisors is an integer number (31557900).

Almost surely, 2^284020965 is an apocalyptic number.

It is an amenable number.

284020965 is a deficient number, since it is larger than the sum of its proper divisors (220905435).

284020965 is a wasteful number, since it uses less digits than its factorization.

284020965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103873 (or 2103867 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 284020965 is about 16852.9215568103. The cubic root of 284020965 is about 657.3300191415.

The spelling of 284020965 in words is "two hundred eighty-four million, twenty thousand, nine hundred sixty-five".