38183881 has 8 divisors (see below), whose sum is σ = 39083904. Its totient is φ = 37287600.

The previous prime is 38183869. The next prime is 38183911. The reversal of 38183881 is 18838183.

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 38183881 - 2⁷ = 38183753 is a prime.

It is a super-2 number, since 2×38183881² = 2916017536444322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38123881) 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, 35806 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (4885488).

Almost surely, 2^38183881 is an apocalyptic number.

It is an amenable number.

38183881 is a deficient number, since it is larger than the sum of its proper divisors (900023).

38183881 is a wasteful number, since it uses less digits than its factorization.

38183881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its digits is 36864, while the sum is 40.

The square root of 38183881 is about 6179.3107220790. The cubic root of 38183881 is about 336.7389520090.

The spelling of 38183881 in words is "thirty-eight million, one hundred eighty-three thousand, eight hundred eighty-one".