286013997 has 10 divisors (see below), whose sum is σ = 427255598. Its totient is φ = 190675944.

The previous prime is 286013983. The next prime is 286014013. The reversal of 286013997 is 799310682.

286013997 is a `hidden beast` number, since 2 + 8 + 601 + 39 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 170537481 + 115476516 = 13059^2 + 10746^2 .

It is not a de Polignac number, because 286013997 - 2⁷ = 286013869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286015997) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1765438 + ... + 1765599.

Almost surely, 2^286013997 is an apocalyptic number.

286013997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

286013997 is a deficient number, since it is larger than the sum of its proper divisors (141241601).

286013997 is an equidigital number, since it uses as much as digits as its factorization.

286013997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531049 (or 3531040 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 286013997 is about 16911.9483502050. The cubic root of 286013997 is about 658.8639754926.

The spelling of 286013997 in words is "two hundred eighty-six million, thirteen thousand, nine hundred ninety-seven".