63946476 has 96 divisors (see below), whose sum is σ = 190444800. Its totient is φ = 18351360.

The previous prime is 63946453. The next prime is 63946489. The reversal of 63946476 is 67464936.

63946476 is a `hidden beast` number, since 639 + 4 + 6 + 4 + 7 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21156 + ... + 23988.

It is an arithmetic number, because the mean of its divisors is an integer number (1983800).

Almost surely, 2^63946476 is an apocalyptic number.

63946476 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63946476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95222400).

63946476 is an abundant number, since it is smaller than the sum of its proper divisors (126498324).

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

63946476 is a wasteful number, since it uses less digits than its factorization.

63946476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2868 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 63946476 is about 7996.6540502888. The cubic root of 63946476 is about 399.8884605669. Note that the first 3 decimals are identical.

The spelling of 63946476 in words is "sixty-three million, nine hundred forty-six thousand, four hundred seventy-six".