3145389 has 8 divisors (see below), whose sum is σ = 4516512. Its totient is φ = 1935600.

The previous prime is 3145367. The next prime is 3145399. The reversal of 3145389 is 9835413.

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

It is not a de Polignac number, because 3145389 - 2⁸ = 3145133 is a prime.

It is a super-2 number, since 2×3145389² = 19786943922642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40287 + ... + 40364.

It is an arithmetic number, because the mean of its divisors is an integer number (564564).

Almost surely, 2^3145389 is an apocalyptic number.

3145389 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3145389 is a deficient number, since it is larger than the sum of its proper divisors (1371123).

3145389 is a wasteful number, since it uses less digits than its factorization.

3145389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80667.

The product of its digits is 12960, while the sum is 33.

The square root of 3145389 is about 1773.5244571192. The cubic root of 3145389 is about 146.5181594825.

The spelling of 3145389 in words is "three million, one hundred forty-five thousand, three hundred eighty-nine".