104008997 has 2 divisors, whose sum is σ = 104008998. Its totient is φ = 104008996.

The previous prime is 104008969. The next prime is 104009023. The reversal of 104008997 is 799800401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 8145316 = 9791^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 104008997 - 2⁸ = 104008741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104008997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104005997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52004498 + 52004499.

It is an arithmetic number, because the mean of its divisors is an integer number (52004499).

Almost surely, 2^104008997 is an apocalyptic number.

It is an amenable number.

104008997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104008997 is an equidigital number, since it uses as much as digits as its factorization.

104008997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 104008997 is about 10198.4801318628. The cubic root of 104008997 is about 470.2804980238.

The spelling of 104008997 in words is "one hundred four million, eight thousand, nine hundred ninety-seven".