3149890 has 8 divisors (see below), whose sum is σ = 5669820. Its totient is φ = 1259952.

The previous prime is 3149851. The next prime is 3149897. The reversal of 3149890 is 989413.

It can be written as a sum of positive squares in 2 ways, for example, as 2812329 + 337561 = 1677^2 + 581^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3149897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157485 + ... + 157504.

Almost surely, 2^3149890 is an apocalyptic number.

3149890 is a deficient number, since it is larger than the sum of its proper divisors (2519930).

3149890 is a wasteful number, since it uses less digits than its factorization.

3149890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314996.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 3149890 is about 1774.7929456700. The cubic root of 3149890 is about 146.5880145326.

The spelling of 3149890 in words is "three million, one hundred forty-nine thousand, eight hundred ninety".