38140474 has 4 divisors (see below), whose sum is σ = 57210714. Its totient is φ = 19070236.

The previous prime is 38140457. The next prime is 38140493. The reversal of 38140474 is 47404183.

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., 19864849 + 18275625 = 4457^2 + 4275^2 .

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, 9535117 + ... + 9535120.

Almost surely, 2^38140474 is an apocalyptic number.

38140474 is a deficient number, since it is larger than the sum of its proper divisors (19070240).

38140474 is a wasteful number, since it uses less digits than its factorization.

38140474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070239.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 38140474 is about 6175.7974383880. The cubic root of 38140474 is about 336.6113032948.

The spelling of 38140474 in words is "thirty-eight million, one hundred forty thousand, four hundred seventy-four".