286162240 has 224 divisors, whose sum is σ = 868460544. Its totient is φ = 87367680.

The previous prime is 286162229. The next prime is 286162301. The reversal of 286162240 is 42261682.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 902562 + ... + 902878.

It is an arithmetic number, because the mean of its divisors is an integer number (3877056).

Almost surely, 2^286162240 is an apocalyptic number.

286162240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286162240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434230272).

286162240 is an abundant number, since it is smaller than the sum of its proper divisors (582298304).

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

286162240 is a wasteful number, since it uses less digits than its factorization.

286162240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 286162240 is about 16916.3305713739. The cubic root of 286162240 is about 658.9777870584.

The spelling of 286162240 in words is "two hundred eighty-six million, one hundred sixty-two thousand, two hundred forty".