63084021 has 48 divisors (see below), whose sum is σ = 114988608. Its totient is φ = 30240000.

The previous prime is 63083989. The next prime is 63084029. The reversal of 63084021 is 12048036.

It is a happy number.

It is not a de Polignac number, because 63084021 - 2⁵ = 63083989 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 63083982 and 63084000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63084029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19521 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (2395596).

Almost surely, 2^63084021 is an apocalyptic number.

It is an amenable number.

63084021 is a deficient number, since it is larger than the sum of its proper divisors (51904587).

63084021 is a wasteful number, since it uses less digits than its factorization.

63084021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042 (or 3035 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 63084021 is about 7942.5449951511. The cubic root of 63084021 is about 398.0825334087.

The spelling of 63084021 in words is "sixty-three million, eighty-four thousand, twenty-one".