3061389 has 8 divisors (see below), whose sum is σ = 4090240. Its totient is φ = 2036736.

The previous prime is 3061381. The next prime is 3061391. The reversal of 3061389 is 9831603.

3061389 is nontrivially palindromic in base 11.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3061389 - 2³ = 3061381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061381) 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 in 7 ways as a sum of consecutive naturals, for example, 1644 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (511280).

Almost surely, 2^3061389 is an apocalyptic number.

It is an amenable number.

3061389 is a deficient number, since it is larger than the sum of its proper divisors (1028851).

3061389 is a wasteful number, since it uses less digits than its factorization.

3061389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3061389 is about 1749.6825426345. The cubic root of 3061389 is about 145.2020805051.

The spelling of 3061389 in words is "three million, sixty-one thousand, three hundred eighty-nine".