285486401 has 4 divisors (see below), whose sum is σ = 287540400. Its totient is φ = 283432404.

The previous prime is 285486391. The next prime is 285486433. The reversal of 285486401 is 104684582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 285486401 - 2⁶ = 285486337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (285486301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026791 + ... + 1027068.

It is an arithmetic number, because the mean of its divisors is an integer number (71885100).

Almost surely, 2^285486401 is an apocalyptic number.

It is an amenable number.

285486401 is a deficient number, since it is larger than the sum of its proper divisors (2053999).

285486401 is a wasteful number, since it uses less digits than its factorization.

285486401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053998.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 285486401 is about 16896.3428291450. The cubic root of 285486401 is about 658.4586014397.

The spelling of 285486401 in words is "two hundred eighty-five million, four hundred eighty-six thousand, four hundred one".