10402169 has 2 divisors, whose sum is σ = 10402170. Its totient is φ = 10402168.

The previous prime is 10402163. The next prime is 10402199. The reversal of 10402169 is 96120401.

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., 5822569 + 4579600 = 2413^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 10402169 - 2⁴ = 10402153 is a prime.

It is a super-2 number, since 2×10402169² = 216410239809122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10402163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201084 + 5201085.

It is an arithmetic number, because the mean of its divisors is an integer number (5201085).

Almost surely, 2^10402169 is an apocalyptic number.

It is an amenable number.

10402169 is a deficient number, since it is larger than the sum of its proper divisors (1).

10402169 is an equidigital number, since it uses as much as digits as its factorization.

10402169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10402169 is about 3225.2393709615. The cubic root of 10402169 is about 218.2937501162.

The spelling of 10402169 in words is "ten million, four hundred two thousand, one hundred sixty-nine".