38900161 has 8 divisors (see below), whose sum is σ = 39849984. Its totient is φ = 37955520.

The previous prime is 38900159. The next prime is 38900179. The reversal of 38900161 is 16100983.

It is a happy number.

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 38900161 - 2¹ = 38900159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38900461) 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, 16921 + ... + 19081.

It is an arithmetic number, because the mean of its divisors is an integer number (4981248).

Almost surely, 2^38900161 is an apocalyptic number.

It is an amenable number.

38900161 is a deficient number, since it is larger than the sum of its proper divisors (949823).

38900161 is a wasteful number, since it uses less digits than its factorization.

38900161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 38900161 is about 6236.9993586660. Note that the first 3 decimals coincide. The cubic root of 38900161 is about 338.8315165361.

The spelling of 38900161 in words is "thirty-eight million, nine hundred thousand, one hundred sixty-one".