38216651 has 4 divisors (see below), whose sum is σ = 41690904. Its totient is φ = 34742400.

The previous prime is 38216623. The next prime is 38216681. The reversal of 38216651 is 15661283.

It is a happy number.

38216651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15661283 = 11 ⋅1423753.

It is not a de Polignac number, because 38216651 - 2⁶ = 38216587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38216611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737110 + ... + 1737131.

It is an arithmetic number, because the mean of its divisors is an integer number (10422726).

Almost surely, 2^38216651 is an apocalyptic number.

38216651 is a deficient number, since it is larger than the sum of its proper divisors (3474253).

38216651 is a wasteful number, since it uses less digits than its factorization.

38216651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474252.

The product of its digits is 8640, while the sum is 32.

The square root of 38216651 is about 6181.9617436539. The cubic root of 38216651 is about 336.8352559981.

The spelling of 38216651 in words is "thirty-eight million, two hundred sixteen thousand, six hundred fifty-one".