94138897 has 2 divisors, whose sum is σ = 94138898. Its totient is φ = 94138896.

The previous prime is 94138871. The next prime is 94138937. The reversal of 94138897 is 79883149.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55711296 + 38427601 = 7464^2 + 6199^2 .

It is a cyclic number.

It is not a de Polignac number, because 94138897 - 2⁷ = 94138769 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94138897.

It is not a weakly prime, because it can be changed into another prime (94138867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47069448 + 47069449.

It is an arithmetic number, because the mean of its divisors is an integer number (47069449).

Almost surely, 2^94138897 is an apocalyptic number.

It is an amenable number.

94138897 is a deficient number, since it is larger than the sum of its proper divisors (1).

94138897 is an equidigital number, since it uses as much as digits as its factorization.

94138897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 94138897 is about 9702.5201365418. The cubic root of 94138897 is about 454.9074351812.

The spelling of 94138897 in words is "ninety-four million, one hundred thirty-eight thousand, eight hundred ninety-seven".