38413418 has 4 divisors (see below), whose sum is σ = 57620130. Its totient is φ = 19206708.

The previous prime is 38413411. The next prime is 38413423. The reversal of 38413418 is 81431483.

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., 38402809 + 10609 = 6197^2 + 103^2 .

It is not an unprimeable number, because it can be changed into a prime (38413411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9603353 + ... + 9603356.

Almost surely, 2^38413418 is an apocalyptic number.

38413418 is a deficient number, since it is larger than the sum of its proper divisors (19206712).

38413418 is a wasteful number, since it uses less digits than its factorization.

38413418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19206711.

The product of its digits is 9216, while the sum is 32.

The square root of 38413418 is about 6197.8559195903. The cubic root of 38413418 is about 337.4123573068.

The spelling of 38413418 in words is "thirty-eight million, four hundred thirteen thousand, four hundred eighteen".