38973393 has 10 divisors (see below), whose sum is σ = 58219634. Its totient is φ = 25982208.

The previous prime is 38973383. The next prime is 38973409. The reversal of 38973393 is 39337983.

It can be written as a sum of positive squares in only one way, i.e., 36687249 + 2286144 = 6057^2 + 1512^2 .

It is not a de Polignac number, because 38973393 - 2⁴ = 38973377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38973353) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 240496 + ... + 240657.

Almost surely, 2^38973393 is an apocalyptic number.

It is an amenable number.

38973393 is a deficient number, since it is larger than the sum of its proper divisors (19246241).

38973393 is an equidigital number, since it uses as much as digits as its factorization.

38973393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481165 (or 481156 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 38973393 is about 6242.8673700472. The cubic root of 38973393 is about 339.0440071306.

The spelling of 38973393 in words is "thirty-eight million, nine hundred seventy-three thousand, three hundred ninety-three".