3069405 has 12 divisors (see below), whose sum is σ = 5320380. Its totient is φ = 1636992.

The previous prime is 3069397. The next prime is 3069413. The reversal of 3069405 is 5049603.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3069397) and next prime (3069413).

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 1790244 = 1131^2 + 1338^2 .

It is not a de Polignac number, because 3069405 - 2³ = 3069397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34060 + ... + 34149.

It is an arithmetic number, because the mean of its divisors is an integer number (443365).

Almost surely, 2^3069405 is an apocalyptic number.

It is an amenable number.

3069405 is a deficient number, since it is larger than the sum of its proper divisors (2250975).

3069405 is a wasteful number, since it uses less digits than its factorization.

3069405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68220 (or 68217 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3069405 is about 1751.9717463475. The cubic root of 3069405 is about 145.3287033614.

The spelling of 3069405 in words is "three million, sixty-nine thousand, four hundred five".