284464725 has 12 divisors (see below), whose sum is σ = 470315136. Its totient is φ = 151714480.

The previous prime is 284464709. The next prime is 284464753. The reversal of 284464725 is 527464482.

It is a happy number.

It is not a de Polignac number, because 284464725 - 2⁴ = 284464709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896357 + ... + 1896506.

It is an arithmetic number, because the mean of its divisors is an integer number (39192928).

Almost surely, 2^284464725 is an apocalyptic number.

284464725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284464725 is a deficient number, since it is larger than the sum of its proper divisors (185850411).

284464725 is a wasteful number, since it uses less digits than its factorization.

284464725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792876 (or 3792871 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 284464725 is about 16866.0820880251. The cubic root of 284464725 is about 657.6721828305.

The spelling of 284464725 in words is "two hundred eighty-four million, four hundred sixty-four thousand, seven hundred twenty-five".