287406196 has 48 divisors (see below), whose sum is σ = 628467840. Its totient is φ = 111726720.

The previous prime is 287406193. The next prime is 287406209. The reversal of 287406196 is 691604782.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287406193) 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, 200410 + ... + 201838.

It is an arithmetic number, because the mean of its divisors is an integer number (13093080).

Almost surely, 2^287406196 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 287406196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314233920).

287406196 is an abundant number, since it is smaller than the sum of its proper divisors (341061644).

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

287406196 is a wasteful number, since it uses less digits than its factorization.

287406196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 287406196 is about 16953.0586030958. The cubic root of 287406196 is about 659.9312723047.

The spelling of 287406196 in words is "two hundred eighty-seven million, four hundred six thousand, one hundred ninety-six".