284940163974 has 16 divisors (see below), whose sum is σ = 569901676608. Its totient is φ = 94976496552.

The previous prime is 284940163961. The next prime is 284940163979. The reversal of 284940163974 is 479361049482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284940163979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713332 + ... + 1038615.

It is an arithmetic number, because the mean of its divisors is an integer number (35618854788).

Almost surely, 2^284940163974 is an apocalyptic number.

284940163974 is an abundant number, since it is smaller than the sum of its proper divisors (284961512634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284940163974 is a wasteful number, since it uses less digits than its factorization.

284940163974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779059.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 284940163974 in words is "two hundred eighty-four billion, nine hundred forty million, one hundred sixty-three thousand, nine hundred seventy-four".