38923361 has 4 divisors (see below), whose sum is σ = 39010500. Its totient is φ = 38836224.

The previous prime is 38923351. The next prime is 38923363. The reversal of 38923361 is 16332983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16332983 = 191 ⋅85513.

It can be written as a sum of positive squares in 2 ways, for example, as 11560000 + 27363361 = 3400^2 + 5231^2 .

It is a cyclic number.

It is not a de Polignac number, because 38923361 - 2¹⁰ = 38922337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38923363) 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, 42896 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (9752625).

Almost surely, 2^38923361 is an apocalyptic number.

It is an amenable number.

38923361 is a deficient number, since it is larger than the sum of its proper divisors (87139).

38923361 is an equidigital number, since it uses as much as digits as its factorization.

38923361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87138.

The product of its digits is 23328, while the sum is 35.

The square root of 38923361 is about 6238.8589501607. The cubic root of 38923361 is about 338.8988626923.

The spelling of 38923361 in words is "thirty-eight million, nine hundred twenty-three thousand, three hundred sixty-one".