38513746 has 4 divisors (see below), whose sum is σ = 57770622. Its totient is φ = 19256872.

The previous prime is 38513731. The next prime is 38513747. The reversal of 38513746 is 64731583.

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., 24157225 + 14356521 = 4915^2 + 3789^2 .

It is not an unprimeable number, because it can be changed into a prime (38513747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9628435 + ... + 9628438.

Almost surely, 2^38513746 is an apocalyptic number.

38513746 is a deficient number, since it is larger than the sum of its proper divisors (19256876).

38513746 is a wasteful number, since it uses less digits than its factorization.

38513746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19256875.

The product of its digits is 60480, while the sum is 37.

The square root of 38513746 is about 6205.9444083878. The cubic root of 38513746 is about 337.7058526530.

The spelling of 38513746 in words is "thirty-eight million, five hundred thirteen thousand, seven hundred forty-six".