38954393 has 2 divisors, whose sum is σ = 38954394. Its totient is φ = 38954392.

The previous prime is 38954381. The next prime is 38954401. The reversal of 38954393 is 39345983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 1658944 = 6107^2 + 1288^2 .

It is a cyclic number.

It is not a de Polignac number, because 38954393 - 2⁸ = 38954137 is a prime.

It is a super-3 number, since 3×38954393³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (38954593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19477196 + 19477197.

It is an arithmetic number, because the mean of its divisors is an integer number (19477197).

Almost surely, 2^38954393 is an apocalyptic number.

It is an amenable number.

38954393 is a deficient number, since it is larger than the sum of its proper divisors (1).

38954393 is an equidigital number, since it uses as much as digits as its factorization.

38954393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 38954393 is about 6241.3454478982. The cubic root of 38954393 is about 338.9889021581.

The spelling of 38954393 in words is "thirty-eight million, nine hundred fifty-four thousand, three hundred ninety-three".