284342454 has 64 divisors (see below), whose sum is σ = 693550080. Its totient is φ = 85635360.

The previous prime is 284342453. The next prime is 284342489. The reversal of 284342454 is 454243482.

It is a super-2 number, since 2×284342454² = 161701262293484232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284342453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101379 + ... + 104145.

It is an arithmetic number, because the mean of its divisors is an integer number (10836720).

Almost surely, 2^284342454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284342454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346775040).

284342454 is an abundant number, since it is smaller than the sum of its proper divisors (409207626).

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

284342454 is a wasteful number, since it uses less digits than its factorization.

284342454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962 (or 2956 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 284342454 is about 16862.4569384180. The cubic root of 284342454 is about 657.5779406128.

The spelling of 284342454 in words is "two hundred eighty-four million, three hundred forty-two thousand, four hundred fifty-four".