38143774 has 8 divisors (see below), whose sum is σ = 57254040. Its totient is φ = 19059096.

The previous prime is 38143771. The next prime is 38143799. The reversal of 38143774 is 47734183.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38143771) 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 3 ways as a sum of consecutive naturals, for example, 2089 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (7156755).

Almost surely, 2^38143774 is an apocalyptic number.

38143774 is a deficient number, since it is larger than the sum of its proper divisors (19110266).

38143774 is a wasteful number, since it uses less digits than its factorization.

38143774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794.

The product of its digits is 56448, while the sum is 37.

The square root of 38143774 is about 6176.0646045844. The cubic root of 38143774 is about 336.6210111384.

The spelling of 38143774 in words is "thirty-eight million, one hundred forty-three thousand, seven hundred seventy-four".