38916951 has 4 divisors (see below), whose sum is σ = 51889272. Its totient is φ = 25944632.

The previous prime is 38916887. The next prime is 38916967. The reversal of 38916951 is 15961983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15961983 = 3 ⋅5320661.

It is a cyclic number.

It is not a de Polignac number, because 38916951 - 2⁶ = 38916887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38916971) 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, 6486156 + ... + 6486161.

It is an arithmetic number, because the mean of its divisors is an integer number (12972318).

Almost surely, 2^38916951 is an apocalyptic number.

38916951 is a deficient number, since it is larger than the sum of its proper divisors (12972321).

38916951 is a wasteful number, since it uses less digits than its factorization.

38916951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972320.

The product of its digits is 58320, while the sum is 42.

The square root of 38916951 is about 6238.3452132757. The cubic root of 38916951 is about 338.8802580899.

The spelling of 38916951 in words is "thirty-eight million, nine hundred sixteen thousand, nine hundred fifty-one".