38648859 has 4 divisors (see below), whose sum is σ = 51531816. Its totient is φ = 25765904.

The previous prime is 38648849. The next prime is 38648917. The reversal of 38648859 is 95884683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95884683 = 3 ⋅31961561.

It is a cyclic number.

It is not a de Polignac number, because 38648859 - 2⁴ = 38648843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38648849) 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, 6441474 + ... + 6441479.

It is an arithmetic number, because the mean of its divisors is an integer number (12882954).

Almost surely, 2^38648859 is an apocalyptic number.

38648859 is a deficient number, since it is larger than the sum of its proper divisors (12882957).

38648859 is a wasteful number, since it uses less digits than its factorization.

38648859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882956.

The product of its digits is 1658880, while the sum is 51.

The square root of 38648859 is about 6216.8206504611. The cubic root of 38648859 is about 338.1003022700.

The spelling of 38648859 in words is "thirty-eight million, six hundred forty-eight thousand, eight hundred fifty-nine".