285037994 has 16 divisors (see below), whose sum is σ = 448590336. Its totient is φ = 135658800.

The previous prime is 285037993. The next prime is 285037999. The reversal of 285037994 is 499730582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (285037993) 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, 33902 + ... + 41465.

It is an arithmetic number, because the mean of its divisors is an integer number (28036896).

Almost surely, 2^285037994 is an apocalyptic number.

285037994 is a deficient number, since it is larger than the sum of its proper divisors (163552342).

285037994 is a wasteful number, since it uses less digits than its factorization.

285037994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75461.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 285037994 is about 16883.0682637961. The cubic root of 285037994 is about 658.1136788038.

The spelling of 285037994 in words is "two hundred eighty-five million, thirty-seven thousand, nine hundred ninety-four".