38243146 has 4 divisors (see below), whose sum is σ = 57364722. Its totient is φ = 19121572.

The previous prime is 38243137. The next prime is 38243203. The reversal of 38243146 is 64134283.

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

It can be written as a sum of positive squares in only one way, i.e., 33512521 + 4730625 = 5789^2 + 2175^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9560785 + ... + 9560788.

Almost surely, 2^38243146 is an apocalyptic number.

38243146 is a deficient number, since it is larger than the sum of its proper divisors (19121576).

38243146 is a wasteful number, since it uses less digits than its factorization.

38243146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121575.

The product of its digits is 13824, while the sum is 31.

The square root of 38243146 is about 6184.1043005435. The cubic root of 38243146 is about 336.9130788691.

The spelling of 38243146 in words is "thirty-eight million, two hundred forty-three thousand, one hundred forty-six".