3453949 has 2 divisors, whose sum is σ = 3453950. Its totient is φ = 3453948.

The previous prime is 3453943. The next prime is 3453971. The reversal of 3453949 is 9493543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 338724 = 1765^2 + 582^2 .

It is an emirp because it is prime and its reverse (9493543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3453949 - 2¹⁷ = 3322877 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹³ + 4² + 5⁵ + 3¹³ + 9 + 4⁹ + 9 .

3453949 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3453943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726974 + 1726975.

It is an arithmetic number, because the mean of its divisors is an integer number (1726975).

Almost surely, 2^3453949 is an apocalyptic number.

It is an amenable number.

3453949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3453949 is an equidigital number, since it uses as much as digits as its factorization.

3453949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 3453949 is about 1858.4802931428. The cubic root of 3453949 is about 151.1606115264.

The spelling of 3453949 in words is "three million, four hundred fifty-three thousand, nine hundred forty-nine".