38493143 has 8 divisors (see below), whose sum is σ = 41843088. Its totient is φ = 35198784.

The previous prime is 38493097. The next prime is 38493157. The reversal of 38493143 is 34139483.

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 38493143 - 2⁶ = 38493079 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 (38492143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12446 + ... + 15227.

It is an arithmetic number, because the mean of its divisors is an integer number (5230386).

Almost surely, 2^38493143 is an apocalyptic number.

38493143 is a deficient number, since it is larger than the sum of its proper divisors (3349945).

38493143 is a wasteful number, since it uses less digits than its factorization.

38493143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27793.

The product of its digits is 31104, while the sum is 35.

The square root of 38493143 is about 6204.2842455839. The cubic root of 38493143 is about 337.6456231206.

The spelling of 38493143 in words is "thirty-eight million, four hundred ninety-three thousand, one hundred forty-three".