63286840 has 16 divisors (see below), whose sum is σ = 142395480. Its totient is φ = 25314720.

The previous prime is 63286819. The next prime is 63286849. The reversal of 63286840 is 4868236.

It is a self number, because there is not a number n which added to its sum of digits gives 63286840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63286849) 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, 791046 + ... + 791125.

Almost surely, 2^63286840 is an apocalyptic number.

It is an amenable number.

63286840 is an abundant number, since it is smaller than the sum of its proper divisors (79108640).

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

63286840 is a wasteful number, since it uses less digits than its factorization.

63286840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582182 (or 1582178 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 63286840 is about 7955.3026340926. The cubic root of 63286840 is about 398.5086969477.

It can be divided in two parts, 63 and 286840, that added together give a triangular number (286903 = T₇₅₇).

The spelling of 63286840 in words is "sixty-three million, two hundred eighty-six thousand, eight hundred forty".