38969331 has 4 divisors (see below), whose sum is σ = 51959112. Its totient is φ = 25979552.

The previous prime is 38969327. The next prime is 38969339. The reversal of 38969331 is 13396983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13396983 = 3 ⋅4465661.

It is a cyclic number.

It is not a de Polignac number, because 38969331 - 2² = 38969327 is a prime.

It is a super-2 number, since 2×38969331² = 3037217517175122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38969339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494886 + ... + 6494891.

It is an arithmetic number, because the mean of its divisors is an integer number (12989778).

Almost surely, 2^38969331 is an apocalyptic number.

38969331 is a deficient number, since it is larger than the sum of its proper divisors (12989781).

38969331 is a wasteful number, since it uses less digits than its factorization.

38969331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12989780.

The product of its digits is 104976, while the sum is 42.

The square root of 38969331 is about 6242.5420302950. The cubic root of 38969331 is about 339.0322277729.

The spelling of 38969331 in words is "thirty-eight million, nine hundred sixty-nine thousand, three hundred thirty-one".