63361938 has 16 divisors (see below), whose sum is σ = 127231776. Its totient is φ = 21036000.

The previous prime is 63361937. The next prime is 63361939. The reversal of 63361938 is 83916336.

It is an interprime number because it is at equal distance from previous prime (63361937) and next prime (63361939).

It is a junction number, because it is equal to n+sod(n) for n = 63361896 and 63361905.

It is not an unprimeable number, because it can be changed into a prime (63361937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19531 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (7951986).

Almost surely, 2^63361938 is an apocalyptic number.

63361938 is an abundant number, since it is smaller than the sum of its proper divisors (63869838).

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

63361938 is a wasteful number, since it uses less digits than its factorization.

63361938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42329.

The product of its digits is 69984, while the sum is 39.

The square root of 63361938 is about 7960.0212311275. The cubic root of 63361938 is about 398.6662619666. Note that the first 3 decimals are identical.

The spelling of 63361938 in words is "sixty-three million, three hundred sixty-one thousand, nine hundred thirty-eight".