286490624 has 64 divisors (see below), whose sum is σ = 655350000. Its totient is φ = 122683392.

The previous prime is 286490591. The next prime is 286490629. The reversal of 286490624 is 426094682.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286490629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228752 + ... + 230000.

Almost surely, 2^286490624 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 286490624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327675000).

286490624 is an abundant number, since it is smaller than the sum of its proper divisors (368859376).

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

286490624 is an frugal number, since it uses more digits than its factorization.

286490624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 286490624 is about 16926.0339122903. The cubic root of 286490624 is about 659.2297595513.

The spelling of 286490624 in words is "two hundred eighty-six million, four hundred ninety thousand, six hundred twenty-four".