38442761 has 8 divisors (see below), whose sum is σ = 44166144. Its totient is φ = 32777280.

The previous prime is 38442751. The next prime is 38442779. The reversal of 38442761 is 16724483.

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 38442761 - 2¹⁰ = 38441737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38442751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13040 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (5520768).

Almost surely, 2^38442761 is an apocalyptic number.

It is an amenable number.

38442761 is a deficient number, since it is larger than the sum of its proper divisors (5723383).

38442761 is a wasteful number, since it uses less digits than its factorization.

38442761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951.

The product of its digits is 32256, while the sum is 35.

The square root of 38442761 is about 6200.2226572922. Note that the first 3 decimals coincide. The cubic root of 38442761 is about 337.4982489164.

The spelling of 38442761 in words is "thirty-eight million, four hundred forty-two thousand, seven hundred sixty-one".