94621997 has 2 divisors, whose sum is σ = 94621998. Its totient is φ = 94621996.

The previous prime is 94621981. The next prime is 94622009. The reversal of 94621997 is 79912649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89000356 + 5621641 = 9434^2 + 2371^2 .

It is a cyclic number.

It is not a de Polignac number, because 94621997 - 2⁴ = 94621981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94621937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47310998 + 47310999.

It is an arithmetic number, because the mean of its divisors is an integer number (47310999).

Almost surely, 2^94621997 is an apocalyptic number.

It is an amenable number.

94621997 is a deficient number, since it is larger than the sum of its proper divisors (1).

94621997 is an equidigital number, since it uses as much as digits as its factorization.

94621997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 94621997 is about 9727.3838723472. The cubic root of 94621997 is about 455.6842692963.

The spelling of 94621997 in words is "ninety-four million, six hundred twenty-one thousand, nine hundred ninety-seven".