280396468 has 12 divisors (see below), whose sum is σ = 535302432. Its totient is φ = 127452920.

The previous prime is 280396451. The next prime is 280396481. The reversal of 280396468 is 864693082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3186280 + ... + 3186367.

It is an arithmetic number, because the mean of its divisors is an integer number (44608536).

Almost surely, 2^280396468 is an apocalyptic number.

It is an amenable number.

280396468 is a deficient number, since it is larger than the sum of its proper divisors (254905964).

280396468 is a wasteful number, since it uses less digits than its factorization.

280396468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372662 (or 6372660 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 280396468 is about 16745.0430874334. The cubic root of 280396468 is about 654.5218957266.

The spelling of 280396468 in words is "two hundred eighty million, three hundred ninety-six thousand, four hundred sixty-eight".