38772141 has 8 divisors (see below), whose sum is σ = 54417120. Its totient is φ = 24487632.

The previous prime is 38772137. The next prime is 38772157. The reversal of 38772141 is 14127783.

It is a happy number.

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

It is not a de Polignac number, because 38772141 - 2² = 38772137 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38772131) 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, 340050 + ... + 340163.

It is an arithmetic number, because the mean of its divisors is an integer number (6802140).

Almost surely, 2^38772141 is an apocalyptic number.

It is an amenable number.

38772141 is a deficient number, since it is larger than the sum of its proper divisors (15644979).

38772141 is a wasteful number, since it uses less digits than its factorization.

38772141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680235.

The product of its digits is 9408, while the sum is 33.

The square root of 38772141 is about 6226.7279529461. The cubic root of 38772141 is about 338.4594111132.

The spelling of 38772141 in words is "thirty-eight million, seven hundred seventy-two thousand, one hundred forty-one".