38897405394 has 8 divisors (see below), whose sum is σ = 77794810800. Its totient is φ = 12965801796.

The previous prime is 38897405387. The next prime is 38897405401. The reversal of 38897405394 is 49350479883.

It is an interprime number because it is at equal distance from previous prime (38897405387) and next prime (38897405401).

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

38897405394 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241450444 + ... + 3241450455.

It is an arithmetic number, because the mean of its divisors is an integer number (9724351350).

Almost surely, 2^38897405394 is an apocalyptic number.

38897405394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38897405394 is a wasteful number, since it uses less digits than its factorization.

38897405394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482900904.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 38897405394 in words is "thirty-eight billion, eight hundred ninety-seven million, four hundred five thousand, three hundred ninety-four".