63238381 has 8 divisors (see below), whose sum is σ = 64779264. Its totient is φ = 61710480.

The previous prime is 63238369. The next prime is 63238397. The reversal of 63238381 is 18383236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63238381 - 2⁵ = 63238349 is a prime.

It is a super-2 number, since 2×63238381² = 7998185663002322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63238361) 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, 7000 + ... + 13246.

It is an arithmetic number, because the mean of its divisors is an integer number (8097408).

Almost surely, 2^63238381 is an apocalyptic number.

It is an amenable number.

63238381 is a deficient number, since it is larger than the sum of its proper divisors (1540883).

63238381 is a wasteful number, since it uses less digits than its factorization.

63238381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its digits is 20736, while the sum is 34.

The square root of 63238381 is about 7952.2563464717. The cubic root of 63238381 is about 398.4069577132.

The spelling of 63238381 in words is "sixty-three million, two hundred thirty-eight thousand, three hundred eighty-one".