396651371 has 2 divisors, whose sum is σ = 396651372. Its totient is φ = 396651370.

The previous prime is 396651349. The next prime is 396651383. The reversal of 396651371 is 173156693.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396651371 is a prime.

It is not a weakly prime, because it can be changed into another prime (396651301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198325685 + 198325686.

It is an arithmetic number, because the mean of its divisors is an integer number (198325686).

Almost surely, 2^396651371 is an apocalyptic number.

396651371 is a deficient number, since it is larger than the sum of its proper divisors (1).

396651371 is an equidigital number, since it uses as much as digits as its factorization.

396651371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 396651371 is about 19916.1083296913. The cubic root of 396651371 is about 734.7444595790.

The spelling of 396651371 in words is "three hundred ninety-six million, six hundred fifty-one thousand, three hundred seventy-one".