3145384 has 32 divisors (see below), whose sum is σ = 6647040. Its totient is φ = 1382400.

The previous prime is 3145367. The next prime is 3145399. The reversal of 3145384 is 4835413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152 + ... + 3304.

It is an arithmetic number, because the mean of its divisors is an integer number (207720).

Almost surely, 2^3145384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323520).

3145384 is an abundant number, since it is smaller than the sum of its proper divisors (3501656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145384 is a wasteful number, since it uses less digits than its factorization.

3145384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1197 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 3145384 is about 1773.5230474961. The cubic root of 3145384 is about 146.5180818460.

The spelling of 3145384 in words is "three million, one hundred forty-five thousand, three hundred eighty-four".