38328831 has 12 divisors (see below), whose sum is σ = 55577808. Its totient is φ = 25453824.

The previous prime is 38328827. The next prime is 38328839. The reversal of 38328831 is 13882383.

It is not a de Polignac number, because 38328831 - 2² = 38328827 is a prime.

It is a super-2 number, since 2×38328831² = 2938198571653122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38328839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5730 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (4631484).

Almost surely, 2^38328831 is an apocalyptic number.

38328831 is a deficient number, since it is larger than the sum of its proper divisors (17248977).

38328831 is a wasteful number, since it uses less digits than its factorization.

38328831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16462 (or 16459 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 38328831 is about 6191.0282667744. The cubic root of 38328831 is about 337.1645127145.

The spelling of 38328831 in words is "thirty-eight million, three hundred twenty-eight thousand, eight hundred thirty-one".