38492047 has 4 divisors (see below), whose sum is σ = 41991336. Its totient is φ = 34992760.

The previous prime is 38492033. The next prime is 38492053. The reversal of 38492047 is 74029483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38492047 - 2¹¹ = 38489999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38491997 and 38492015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38492057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749628 + ... + 1749649.

It is an arithmetic number, because the mean of its divisors is an integer number (10497834).

Almost surely, 2^38492047 is an apocalyptic number.

38492047 is a deficient number, since it is larger than the sum of its proper divisors (3499289).

38492047 is a wasteful number, since it uses less digits than its factorization.

38492047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499288.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 38492047 is about 6204.1959188923. The cubic root of 38492047 is about 337.6424185402.

The spelling of 38492047 in words is "thirty-eight million, four hundred ninety-two thousand, forty-seven".