38399366 has 4 divisors (see below), whose sum is σ = 57599052. Its totient is φ = 19199682.

The previous prime is 38399353. The next prime is 38399419. The reversal of 38399366 is 66399383.

38399366 is nontrivially palindromic in base 4.

38399366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×38399366² = 2949022618403912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38399366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9599840 + ... + 9599843.

It is an arithmetic number, because the mean of its divisors is an integer number (14399763).

Almost surely, 2^38399366 is an apocalyptic number.

38399366 is a deficient number, since it is larger than the sum of its proper divisors (19199686).

38399366 is a wasteful number, since it uses less digits than its factorization.

38399366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19199685.

The product of its digits is 629856, while the sum is 47.

The square root of 38399366 is about 6196.7221980657. The cubic root of 38399366 is about 337.3712093872.

The spelling of 38399366 in words is "thirty-eight million, three hundred ninety-nine thousand, three hundred sixty-six".