38413973 has 8 divisors (see below), whose sum is σ = 41423928. Its totient is φ = 35411904.

The previous prime is 38413967. The next prime is 38413997. The reversal of 38413973 is 37931483.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 36881329 = 1238^2 + 6073^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38413973 - 2⁶ = 38413909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38413943) 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 7 ways as a sum of consecutive naturals, for example, 11711 + ... + 14627.

It is an arithmetic number, because the mean of its divisors is an integer number (5177991).

Almost surely, 2^38413973 is an apocalyptic number.

It is an amenable number.

38413973 is a deficient number, since it is larger than the sum of its proper divisors (3009955).

38413973 is a wasteful number, since it uses less digits than its factorization.

38413973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943.

The product of its digits is 54432, while the sum is 38.

The square root of 38413973 is about 6197.9006929766. The cubic root of 38413973 is about 337.4139822854.

The spelling of 38413973 in words is "thirty-eight million, four hundred thirteen thousand, nine hundred seventy-three".