63693404 has 6 divisors (see below), whose sum is σ = 111463464. Its totient is φ = 31846700.

The previous prime is 63693403. The next prime is 63693419. The reversal of 63693404 is 40439636.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63693403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7961672 + ... + 7961679.

It is an arithmetic number, because the mean of its divisors is an integer number (18577244).

Almost surely, 2^63693404 is an apocalyptic number.

It is an amenable number.

63693404 is a deficient number, since it is larger than the sum of its proper divisors (47770060).

63693404 is a wasteful number, since it uses less digits than its factorization.

63693404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15923355 (or 15923353 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 63693404 is about 7980.8147453753. The cubic root of 63693404 is about 399.3602356327.

The spelling of 63693404 in words is "sixty-three million, six hundred ninety-three thousand, four hundred four".