3189949 has 6 divisors (see below), whose sum is σ = 3710814. Its totient is φ = 2734200.

The previous prime is 3189943. The next prime is 3189961. The reversal of 3189949 is 9499813.

It can be written as a sum of positive squares in only one way, i.e., 3062500 + 127449 = 1750^2 + 357^2 .

It is not a de Polignac number, because 3189949 - 2⁷ = 3189821 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 (3189943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32502 + ... + 32599.

It is an arithmetic number, because the mean of its divisors is an integer number (618469).

Almost surely, 2^3189949 is an apocalyptic number.

It is an amenable number.

3189949 is a deficient number, since it is larger than the sum of its proper divisors (520865).

3189949 is an equidigital number, since it uses as much as digits as its factorization.

3189949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65115 (or 65108 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 3189949 is about 1786.0428326331. The cubic root of 3189949 is about 147.2068139617.

The spelling of 3189949 in words is "three million, one hundred eighty-nine thousand, nine hundred forty-nine".