38648213 has 8 divisors (see below), whose sum is σ = 40579680. Its totient is φ = 36756720.

The previous prime is 38648209. The next prime is 38648231. The reversal of 38648213 is 31284683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38648213 - 2² = 38648209 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 (38648273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8003 + ... + 11888.

It is an arithmetic number, because the mean of its divisors is an integer number (5072460).

Almost surely, 2^38648213 is an apocalyptic number.

It is an amenable number.

38648213 is a deficient number, since it is larger than the sum of its proper divisors (1931467).

38648213 is a wasteful number, since it uses less digits than its factorization.

38648213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19987.

The product of its digits is 27648, while the sum is 35.

The square root of 38648213 is about 6216.7686944264. The cubic root of 38648213 is about 338.0984185230.

The spelling of 38648213 in words is "thirty-eight million, six hundred forty-eight thousand, two hundred thirteen".