3400949 has 2 divisors, whose sum is σ = 3400950. Its totient is φ = 3400948.

The previous prime is 3400931. The next prime is 3400963. The reversal of 3400949 is 9490043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1020100 = 1543^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400949 - 2⁸ = 3400693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700474 + 1700475.

It is an arithmetic number, because the mean of its divisors is an integer number (1700475).

Almost surely, 2^3400949 is an apocalyptic number.

It is an amenable number.

3400949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400949 is an equidigital number, since it uses as much as digits as its factorization.

3400949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3400949 is about 1844.1662072601. The cubic root of 3400949 is about 150.3834485756.

The spelling of 3400949 in words is "three million, four hundred thousand, nine hundred forty-nine".