63486388 has 24 divisors (see below), whose sum is σ = 131070464. Its totient is φ = 26330400.

The previous prime is 63486383. The next prime is 63486407. The reversal of 63486388 is 88368436.

It is a super-2 number, since 2×63486388² = 8061042922573088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63486383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35703 + ... + 37438.

Almost surely, 2^63486388 is an apocalyptic number.

It is an amenable number.

63486388 is an abundant number, since it is smaller than the sum of its proper divisors (67584076).

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

63486388 is a wasteful number, since it uses less digits than its factorization.

63486388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73183 (or 73181 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 63486388 is about 7967.8345866364. The cubic root of 63486388 is about 398.9270997858.

The spelling of 63486388 in words is "sixty-three million, four hundred eighty-six thousand, three hundred eighty-eight".