638237114 has 8 divisors (see below), whose sum is σ = 988238208. Its totient is φ = 308824380.

The previous prime is 638237107. The next prime is 638237147. The reversal of 638237114 is 411732836.

638237114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×638237114² = 814693227374097992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147012 + ... + 5147135.

It is an arithmetic number, because the mean of its divisors is an integer number (123529776).

Almost surely, 2^638237114 is an apocalyptic number.

638237114 is a deficient number, since it is larger than the sum of its proper divisors (350001094).

638237114 is a wasteful number, since it uses less digits than its factorization.

638237114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294180.

The product of its digits is 24192, while the sum is 35.

The square root of 638237114 is about 25263.3551611816. The cubic root of 638237114 is about 860.9818936525.

The spelling of 638237114 in words is "six hundred thirty-eight million, two hundred thirty-seven thousand, one hundred fourteen".