285089829 has 16 divisors (see below), whose sum is σ = 387858240. Its totient is φ = 186212480.

The previous prime is 285089803. The next prime is 285089839. The reversal of 285089829 is 928980582.

It is a cyclic number.

It is not a de Polignac number, because 285089829 - 2⁵ = 285089797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285089839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53569 + ... + 58649.

It is an arithmetic number, because the mean of its divisors is an integer number (24241140).

Almost surely, 2^285089829 is an apocalyptic number.

It is an amenable number.

285089829 is a deficient number, since it is larger than the sum of its proper divisors (102768411).

285089829 is a wasteful number, since it uses less digits than its factorization.

285089829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460.

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 285089829 is about 16884.6033118934. The cubic root of 285089829 is about 658.1535696904.

The spelling of 285089829 in words is "two hundred eighty-five million, eighty-nine thousand, eight hundred twenty-nine".