280461396 has 12 divisors (see below), whose sum is σ = 654409952. Its totient is φ = 93487128.

The previous prime is 280461383. The next prime is 280461439. The reversal of 280461396 is 693164082.

280461396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11685880 + ... + 11685903.

Almost surely, 2^280461396 is an apocalyptic number.

It is an amenable number.

280461396 is an abundant number, since it is smaller than the sum of its proper divisors (373948556).

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

280461396 is a wasteful number, since it uses less digits than its factorization.

280461396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23371790 (or 23371788 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 280461396 is about 16746.9816982046. The cubic root of 280461396 is about 654.5724117195.

The spelling of 280461396 in words is "two hundred eighty million, four hundred sixty-one thousand, three hundred ninety-six".