63689146 has 8 divisors (see below), whose sum is σ = 97336404. Its totient is φ = 31243680.

The previous prime is 63689111. The next prime is 63689161. The reversal of 63689146 is 64198636.

It can be written as a sum of positive squares in 2 ways, for example, as 53860921 + 9828225 = 7339^2 + 3135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300315 + ... + 300526.

Almost surely, 2^63689146 is an apocalyptic number.

63689146 is a deficient number, since it is larger than the sum of its proper divisors (33647258).

63689146 is a wasteful number, since it uses less digits than its factorization.

63689146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600896.

The product of its digits is 186624, while the sum is 43.

The square root of 63689146 is about 7980.5479761731. The cubic root of 63689146 is about 399.3513361567.

The spelling of 63689146 in words is "sixty-three million, six hundred eighty-nine thousand, one hundred forty-six".