3142949 has 2 divisors, whose sum is σ = 3142950. Its totient is φ = 3142948.

The previous prime is 3142939. The next prime is 3142963. The reversal of 3142949 is 9492413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 1020100 = 1457^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142949 - 2⁸ = 3142693 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3142939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571474 + 1571475.

It is an arithmetic number, because the mean of its divisors is an integer number (1571475).

Almost surely, 2^3142949 is an apocalyptic number.

It is an amenable number.

3142949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142949 is an equidigital number, since it uses as much as digits as its factorization.

3142949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 3142949 is about 1772.8364278748. The cubic root of 3142949 is about 146.4802630790.

The spelling of 3142949 in words is "three million, one hundred forty-two thousand, nine hundred forty-nine".