397626067 has 2 divisors, whose sum is σ = 397626068. Its totient is φ = 397626066.

The previous prime is 397626059. The next prime is 397626083. The reversal of 397626067 is 760626793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397626067 - 2³ = 397626059 is a prime.

It is not a weakly prime, because it can be changed into another prime (397626667) 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, 198813033 + 198813034.

It is an arithmetic number, because the mean of its divisors is an integer number (198813034).

Almost surely, 2^397626067 is an apocalyptic number.

397626067 is a deficient number, since it is larger than the sum of its proper divisors (1).

397626067 is an equidigital number, since it uses as much as digits as its factorization.

397626067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 397626067 is about 19940.5633571371. The cubic root of 397626067 is about 735.3457993065.

The spelling of 397626067 in words is "three hundred ninety-seven million, six hundred twenty-six thousand, sixty-seven".