63849204 has 18 divisors (see below), whose sum is σ = 161396690. Its totient is φ = 21283056.

The previous prime is 63849193. The next prime is 63849209. The reversal of 63849204 is 40294836.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43164900 + 20684304 = 6570^2 + 4548^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1773589 = 63849204 / (6 + 3 + 8 + 4 + 9 + 2 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63849209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 886759 + ... + 886830.

Almost surely, 2^63849204 is an apocalyptic number.

It is an amenable number.

63849204 is an abundant number, since it is smaller than the sum of its proper divisors (97547486).

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

63849204 is a wasteful number, since it uses less digits than its factorization.

63849204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773599 (or 1773594 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 63849204 is about 7990.5696918305. The cubic root of 63849204 is about 399.6855946045.

The spelling of 63849204 in words is "sixty-three million, eight hundred forty-nine thousand, two hundred four".