38406783 has 8 divisors (see below), whose sum is σ = 52400128. Its totient is φ = 25008984.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406783 is 38760483.

38406783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38406783 - 2⁵ = 38406751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38406713) 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 7 ways as a sum of consecutive naturals, for example, 148735 + ... + 148992.

It is an arithmetic number, because the mean of its divisors is an integer number (6550016).

Almost surely, 2^38406783 is an apocalyptic number.

38406783 is a deficient number, since it is larger than the sum of its proper divisors (13993345).

38406783 is a wasteful number, since it uses less digits than its factorization.

38406783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297773.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 38406783 is about 6197.3206307242. The cubic root of 38406783 is about 337.3929295476.

The spelling of 38406783 in words is "thirty-eight million, four hundred six thousand, seven hundred eighty-three".