285412518 has 16 divisors (see below), whose sum is σ = 634250160. Its totient is φ = 95137488.

The previous prime is 285412483. The next prime is 285412537. The reversal of 285412518 is 815214582.

It is a super-2 number, since 2×285412518² = 162920610862200648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642655 + ... + 2642762.

It is an arithmetic number, because the mean of its divisors is an integer number (39640635).

Almost surely, 2^285412518 is an apocalyptic number.

285412518 is an abundant number, since it is smaller than the sum of its proper divisors (348837642).

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

285412518 is a wasteful number, since it uses less digits than its factorization.

285412518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285428 (or 5285422 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 285412518 is about 16894.1563269670. The cubic root of 285412518 is about 658.4017941872.

The spelling of 285412518 in words is "two hundred eighty-five million, four hundred twelve thousand, five hundred eighteen".