38958145 has 4 divisors (see below), whose sum is σ = 46749780. Its totient is φ = 31166512.

The previous prime is 38958131. The next prime is 38958163. The reversal of 38958145 is 54185983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19562929 + 19395216 = 4423^2 + 4404^2 .

It is a cyclic number.

It is not a de Polignac number, because 38958145 - 2¹¹ = 38956097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895810 + ... + 3895819.

It is an arithmetic number, because the mean of its divisors is an integer number (11687445).

Almost surely, 2^38958145 is an apocalyptic number.

It is an amenable number.

38958145 is a deficient number, since it is larger than the sum of its proper divisors (7791635).

38958145 is an equidigital number, since it uses as much as digits as its factorization.

38958145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791634.

The product of its digits is 172800, while the sum is 43.

The square root of 38958145 is about 6241.6460168773. The cubic root of 38958145 is about 338.9997853597. Note that the first 3 decimals are identical.

The spelling of 38958145 in words is "thirty-eight million, nine hundred fifty-eight thousand, one hundred forty-five".