38490933 has 36 divisors (see below), whose sum is σ = 58150080. Its totient is φ = 22632480.

The previous prime is 38490919. The next prime is 38490953. The reversal of 38490933 is 33909483.

38490933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38490933 - 2⁹ = 38490421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 38490891 and 38490900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490913) by changing a digit.

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 in 35 ways as a sum of consecutive naturals, for example, 487188 + ... + 487266.

It is an arithmetic number, because the mean of its divisors is an integer number (1615280).

Almost surely, 2^38490933 is an apocalyptic number.

It is an amenable number.

38490933 is a deficient number, since it is larger than the sum of its proper divisors (19659147).

38490933 is a wasteful number, since it uses less digits than its factorization.

38490933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 38490933 is about 6204.1061402913. The cubic root of 38490933 is about 337.6391612675.

The spelling of 38490933 in words is "thirty-eight million, four hundred ninety thousand, nine hundred thirty-three".