38064247 has 4 divisors (see below), whose sum is σ = 40992280. Its totient is φ = 35136216.

The previous prime is 38064233. The next prime is 38064281. The reversal of 38064247 is 74246083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38064247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38064347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463997 + ... + 1464022.

It is an arithmetic number, because the mean of its divisors is an integer number (10248070).

Almost surely, 2^38064247 is an apocalyptic number.

38064247 is a deficient number, since it is larger than the sum of its proper divisors (2928033).

38064247 is a wasteful number, since it uses less digits than its factorization.

38064247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928032.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 38064247 is about 6169.6229220269. The cubic root of 38064247 is about 336.3869049069.

It can be divided in two parts, 380642 and 47, that added together give a square (380689 = 617²).

The spelling of 38064247 in words is "thirty-eight million, sixty-four thousand, two hundred forty-seven".