63941906 has 16 divisors (see below), whose sum is σ = 109717440. Its totient is φ = 27378000.

The previous prime is 63941827. The next prime is 63941923. The reversal of 63941906 is 60914936.

It is a self number, because there is not a number n which added to its sum of digits gives 63941906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27281 + ... + 29531.

It is an arithmetic number, because the mean of its divisors is an integer number (6857340).

Almost surely, 2^63941906 is an apocalyptic number.

63941906 is a deficient number, since it is larger than the sum of its proper divisors (45775534).

63941906 is a wasteful number, since it uses less digits than its factorization.

63941906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 63941906 is about 7996.3683006725. The cubic root of 63941906 is about 399.8789341947.

The spelling of 63941906 in words is "sixty-three million, nine hundred forty-one thousand, nine hundred six".