3149393 has 4 divisors (see below), whose sum is σ = 3391668. Its totient is φ = 2907120.

The previous prime is 3149387. The next prime is 3149441. The reversal of 3149393 is 3939413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3939413 = 127 ⋅31019.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 2798929 = 592^2 + 1673^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149393 - 2¹² = 3145297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3149353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121118 + ... + 121143.

It is an arithmetic number, because the mean of its divisors is an integer number (847917).

Almost surely, 2^3149393 is an apocalyptic number.

It is an amenable number.

3149393 is a deficient number, since it is larger than the sum of its proper divisors (242275).

3149393 is a wasteful number, since it uses less digits than its factorization.

3149393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242274.

The product of its digits is 8748, while the sum is 32.

The square root of 3149393 is about 1774.6529238136. The cubic root of 3149393 is about 146.5803044141.

The spelling of 3149393 in words is "three million, one hundred forty-nine thousand, three hundred ninety-three".