38435381 has 8 divisors (see below), whose sum is σ = 39763200. Its totient is φ = 37113120.

The previous prime is 38435359. The next prime is 38435393. The reversal of 38435381 is 18353483.

38435381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38435381 is a prime.

It is a super-2 number, since 2×38435381² = 2954557025230322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38435281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16550 + ... + 18728.

It is an arithmetic number, because the mean of its divisors is an integer number (4970400).

Almost surely, 2^38435381 is an apocalyptic number.

38435381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

38435381 is a deficient number, since it is larger than the sum of its proper divisors (1327819).

38435381 is a wasteful number, since it uses less digits than its factorization.

38435381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its digits is 34560, while the sum is 35.

The square root of 38435381 is about 6199.6274888093. The cubic root of 38435381 is about 337.4766506023.

The spelling of 38435381 in words is "thirty-eight million, four hundred thirty-five thousand, three hundred eighty-one".