38930851 has 2 divisors, whose sum is σ = 38930852. Its totient is φ = 38930850.

The previous prime is 38930839. The next prime is 38930861. The reversal of 38930851 is 15803983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38930851 - 2¹⁷ = 38799779 is a prime.

It is a super-2 number, since 2×38930851² = 3031222319168402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38930851.

It is not a weakly prime, because it can be changed into another prime (38930821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19465425 + 19465426.

It is an arithmetic number, because the mean of its divisors is an integer number (19465426).

Almost surely, 2^38930851 is an apocalyptic number.

38930851 is a deficient number, since it is larger than the sum of its proper divisors (1).

38930851 is an equidigital number, since it uses as much as digits as its factorization.

38930851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 38930851 is about 6239.4591913082. The cubic root of 38930851 is about 338.9205993359.

The spelling of 38930851 in words is "thirty-eight million, nine hundred thirty thousand, eight hundred fifty-one".