9099401 has 2 divisors, whose sum is σ = 9099402. Its totient is φ = 9099400.

The previous prime is 9099397. The next prime is 9099427. The reversal of 9099401 is 1049909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 602176 = 2915^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 9099401 - 2² = 9099397 is a prime.

It is not a weakly prime, because it can be changed into another prime (9099451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4549700 + 4549701.

It is an arithmetic number, because the mean of its divisors is an integer number (4549701).

Almost surely, 2^9099401 is an apocalyptic number.

It is an amenable number.

9099401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9099401 is an equidigital number, since it uses as much as digits as its factorization.

9099401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 9099401 is about 3016.5213408826. The cubic root of 9099401 is about 208.7713669309.

The spelling of 9099401 in words is "nine million, ninety-nine thousand, four hundred one".