38813458 has 12 divisors (see below), whose sum is σ = 58635738. Its totient is φ = 19269120.

The previous prime is 38813381. The next prime is 38813461. The reversal of 38813458 is 85431883.

It can be written as a sum of positive squares in 3 ways, for example, as 19864849 + 18948609 = 4457^2 + 4353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38813458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74238 + ... + 74758.

Almost surely, 2^38813458 is an apocalyptic number.

38813458 is a deficient number, since it is larger than the sum of its proper divisors (19822280).

38813458 is an equidigital number, since it uses as much as digits as its factorization.

38813458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 716 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 38813458 is about 6230.0447831456. The cubic root of 38813458 is about 338.5795933088.

The spelling of 38813458 in words is "thirty-eight million, eight hundred thirteen thousand, four hundred fifty-eight".