280852486 has 4 divisors (see below), whose sum is σ = 421278732. Its totient is φ = 140426242.

The previous prime is 280852463. The next prime is 280852487. The reversal of 280852486 is 684258082.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280852487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70213120 + ... + 70213123.

It is an arithmetic number, because the mean of its divisors is an integer number (105319683).

Almost surely, 2^280852486 is an apocalyptic number.

280852486 is a deficient number, since it is larger than the sum of its proper divisors (140426246).

280852486 is a wasteful number, since it uses less digits than its factorization.

280852486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140426245.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 280852486 is about 16758.6540629014. The cubic root of 280852486 is about 654.8765270434.

The spelling of 280852486 in words is "two hundred eighty million, eight hundred fifty-two thousand, four hundred eighty-six".