63394506 has 24 divisors (see below), whose sum is σ = 156977184. Its totient is φ = 18112680.

The previous prime is 63394501. The next prime is 63394531. The reversal of 63394506 is 60549336.

63394506 is a `hidden beast` number, since 63 + 3 + 94 + 506 = 666.

It is not an unprimeable number, because it can be changed into a prime (63394501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251440 + ... + 251691.

It is an arithmetic number, because the mean of its divisors is an integer number (6540716).

Almost surely, 2^63394506 is an apocalyptic number.

63394506 is an abundant number, since it is smaller than the sum of its proper divisors (93582678).

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

63394506 is a wasteful number, since it uses less digits than its factorization.

63394506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503146 (or 503143 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 63394506 is about 7962.0666915067. The cubic root of 63394506 is about 398.7345550108.

The spelling of 63394506 in words is "sixty-three million, three hundred ninety-four thousand, five hundred six".