38435881 has 8 divisors (see below), whose sum is σ = 42100128. Its totient is φ = 34800000.

The previous prime is 38435869. The next prime is 38435897. The reversal of 38435881 is 18853483.

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 38435881 - 2⁵ = 38435849 is a prime.

It is a super-2 number, since 2×38435881² = 2954633896492322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38435821) 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, 4200 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (5262516).

Almost surely, 2^38435881 is an apocalyptic number.

It is an amenable number.

38435881 is a deficient number, since it is larger than the sum of its proper divisors (3664247).

38435881 is a wasteful number, since it uses less digits than its factorization.

38435881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14183.

The product of its digits is 92160, while the sum is 40.

The square root of 38435881 is about 6199.6678136816. The cubic root of 38435881 is about 337.4781139900.

The spelling of 38435881 in words is "thirty-eight million, four hundred thirty-five thousand, eight hundred eighty-one".