287270196 has 48 divisors (see below), whose sum is σ = 707804160. Its totient is φ = 90430560.

The previous prime is 287270173. The next prime is 287270213. The reversal of 287270196 is 691072782.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 77301 + ... + 80931.

It is an arithmetic number, because the mean of its divisors is an integer number (14745920).

Almost surely, 2^287270196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287270196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353902080).

287270196 is an abundant number, since it is smaller than the sum of its proper divisors (420533964).

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

287270196 is a wasteful number, since it uses less digits than its factorization.

287270196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004 (or 4002 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 287270196 is about 16949.0470528582. The cubic root of 287270196 is about 659.8271631906.

The spelling of 287270196 in words is "two hundred eighty-seven million, two hundred seventy thousand, one hundred ninety-six".