100908397 has 2 divisors, whose sum is σ = 100908398. Its totient is φ = 100908396.

The previous prime is 100908377. The next prime is 100908403. The reversal of 100908397 is 793809001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97831881 + 3076516 = 9891^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 100908397 - 2¹¹ = 100906349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100908307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50454198 + 50454199.

It is an arithmetic number, because the mean of its divisors is an integer number (50454199).

Almost surely, 2^100908397 is an apocalyptic number.

It is an amenable number.

100908397 is a deficient number, since it is larger than the sum of its proper divisors (1).

100908397 is an equidigital number, since it uses as much as digits as its factorization.

100908397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 100908397 is about 10045.3171677155. The cubic root of 100908397 is about 465.5601174221.

The spelling of 100908397 in words is "one hundred million, nine hundred eight thousand, three hundred ninety-seven".