3920269 has 2 divisors, whose sum is σ = 3920270. Its totient is φ = 3920268.

The previous prime is 3920263. The next prime is 3920299. The reversal of 3920269 is 9620293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 927369 = 1730^2 + 963^2 .

It is a cyclic number.

It is not a de Polignac number, because 3920269 - 2⁷ = 3920141 is a prime.

It is a super-2 number, since 2×3920269² = 30737018064722, which contains 22 as substring.

It is a Chen prime.

It is equal to p₂₇₇₉₄₂ and since 3920269 and 277942 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3920269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3920263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960134 + 1960135.

It is an arithmetic number, because the mean of its divisors is an integer number (1960135).

Almost surely, 2^3920269 is an apocalyptic number.

It is an amenable number.

3920269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3920269 is an equidigital number, since it uses as much as digits as its factorization.

3920269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3920269 is about 1979.9669189156. The cubic root of 3920269 is about 157.6783098544.

The spelling of 3920269 in words is "three million, nine hundred twenty thousand, two hundred sixty-nine".