38397961 has 8 divisors (see below), whose sum is σ = 44164160. Its totient is φ = 32701968.

The previous prime is 38397937. The next prime is 38397973. The reversal of 38397961 is 16979383.

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 38397961 - 2¹⁹ = 37873673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38337961) 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, 16371 + ... + 18568.

It is an arithmetic number, because the mean of its divisors is an integer number (5520520).

Almost surely, 2^38397961 is an apocalyptic number.

It is an amenable number.

38397961 is a deficient number, since it is larger than the sum of its proper divisors (5766199).

38397961 is a wasteful number, since it uses less digits than its factorization.

38397961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35103.

The product of its digits is 244944, while the sum is 46.

The square root of 38397961 is about 6196.6088306428. The cubic root of 38397961 is about 337.3670946289.

The spelling of 38397961 in words is "thirty-eight million, three hundred ninety-seven thousand, nine hundred sixty-one".