38493477 has 12 divisors (see below), whose sum is σ = 60656544. Its totient is φ = 23329320.

The previous prime is 38493473. The next prime is 38493493. The reversal of 38493477 is 77439483.

It is a happy number.

38493477 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 38493477 - 2² = 38493473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38493473) 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 11 ways as a sum of consecutive naturals, for example, 194313 + ... + 194510.

It is an arithmetic number, because the mean of its divisors is an integer number (5054712).

Almost surely, 2^38493477 is an apocalyptic number.

It is an amenable number.

38493477 is a deficient number, since it is larger than the sum of its proper divisors (22163067).

38493477 is a wasteful number, since it uses less digits than its factorization.

38493477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388840 (or 388837 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 38493477 is about 6204.3111624096. The cubic root of 38493477 is about 337.6465996868.

The spelling of 38493477 in words is "thirty-eight million, four hundred ninety-three thousand, four hundred seventy-seven".