285161196 has 48 divisors (see below), whose sum is σ = 741605760. Its totient is φ = 84752640.

The previous prime is 285161161. The next prime is 285161249. The reversal of 285161196 is 691161582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32910 + ... + 40661.

It is an arithmetic number, because the mean of its divisors is an integer number (15450120).

Almost surely, 2^285161196 is an apocalyptic number.

It is an amenable number.

285161196 is an abundant number, since it is smaller than the sum of its proper divisors (456444564).

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

285161196 is a wasteful number, since it uses less digits than its factorization.

285161196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73614 (or 73612 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 285161196 is about 16886.7165547362. The cubic root of 285161196 is about 658.2084839924.

The spelling of 285161196 in words is "two hundred eighty-five million, one hundred sixty-one thousand, one hundred ninety-six".