280160401 has 8 divisors (see below), whose sum is σ = 292745664. Its totient is φ = 267608880.

The previous prime is 280160393. The next prime is 280160407. The reversal of 280160401 is 104061082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 280160401 - 2³ = 280160393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280160407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9366 + ... + 25456.

It is an arithmetic number, because the mean of its divisors is an integer number (36593208).

Almost surely, 2^280160401 is an apocalyptic number.

It is an amenable number.

280160401 is a deficient number, since it is larger than the sum of its proper divisors (12585263).

280160401 is a wasteful number, since it uses less digits than its factorization.

280160401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16871.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 280160401 is about 16737.9927410667. The cubic root of 280160401 is about 654.3381625494.

The spelling of 280160401 in words is "two hundred eighty million, one hundred sixty thousand, four hundred one".