285036400 has 60 divisors (see below), whose sum is σ = 747066024. Its totient is φ = 103648000.

The previous prime is 285036391. The next prime is 285036403. The reversal of 285036400 is 4630582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285036403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27991 + ... + 36790.

Almost surely, 2^285036400 is an apocalyptic number.

285036400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285036400 is an abundant number, since it is smaller than the sum of its proper divisors (462029624).

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

285036400 is a wasteful number, since it uses less digits than its factorization.

285036400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64810 (or 64799 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 285036400 is about 16883.0210566711. The cubic root of 285036400 is about 658.1124520256.

Adding to 285036400 its reverse (4630582), we get a palindrome (289666982).

The spelling of 285036400 in words is "two hundred eighty-five million, thirty-six thousand, four hundred".