38392090 has 24 divisors (see below), whose sum is σ = 75961620. Its totient is φ = 13960320.

The previous prime is 38392073. The next prime is 38392093. The reversal of 38392090 is 9029383.

It can be written as a sum of positive squares in 2 ways, for example, as 36735721 + 1656369 = 6061^2 + 1287^2 .

It is not an unprimeable number, because it can be changed into a prime (38392093) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14655 + ... + 17074.

Almost surely, 2^38392090 is an apocalyptic number.

38392090 is a deficient number, since it is larger than the sum of its proper divisors (37569530).

38392090 is a wasteful number, since it uses less digits than its factorization.

38392090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31758 (or 31747 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 38392090 is about 6196.1350856804. The cubic root of 38392090 is about 337.3498994175.

It can be divided in two parts, 3839 and 2090, that added together give a square (5929 = 77²).

The spelling of 38392090 in words is "thirty-eight million, three hundred ninety-two thousand, ninety".