63484939 has 6 divisors (see below), whose sum is σ = 73849884. Its totient is φ = 54415620.

The previous prime is 63484913. The next prime is 63484963. The reversal of 63484939 is 93948436.

It is not a de Polignac number, because 63484939 - 2⁵ = 63484907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63484969) 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, 647757 + ... + 647854.

It is an arithmetic number, because the mean of its divisors is an integer number (12308314).

Almost surely, 2^63484939 is an apocalyptic number.

63484939 is a deficient number, since it is larger than the sum of its proper divisors (10364945).

63484939 is a wasteful number, since it uses less digits than its factorization.

63484939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295625 (or 1295618 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 63484939 is about 7967.7436580252. The cubic root of 63484939 is about 398.9240647532.

The spelling of 63484939 in words is "sixty-three million, four hundred eighty-four thousand, nine hundred thirty-nine".