38700438 has 32 divisors (see below), whose sum is σ = 89016576. Its totient is φ = 10987488.

The previous prime is 38700427. The next prime is 38700451. The reversal of 38700438 is 83400783.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38700399 and 38700408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (2781768).

Almost surely, 2^38700438 is an apocalyptic number.

38700438 is an abundant number, since it is smaller than the sum of its proper divisors (50316138).

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

38700438 is a wasteful number, since it uses less digits than its factorization.

38700438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 38700438 is about 6220.9676096247. The cubic root of 38700438 is about 338.2506398132.

Adding to 38700438 its reverse (83400783), we get a palindrome (122101221).

The spelling of 38700438 in words is "thirty-eight million, seven hundred thousand, four hundred thirty-eight".