2355949 has 2 divisors, whose sum is σ = 2355950. Its totient is φ = 2355948.

The previous prime is 2355917. The next prime is 2355971. The reversal of 2355949 is 9495532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 381924 = 1405^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355949 - 2⁵ = 2355917 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3¹⁰ + 5⁷ + 5⁹ + 9³ + 4⁹ + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2359949) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177974 + 1177975.

It is an arithmetic number, because the mean of its divisors is an integer number (1177975).

2^2355949 is an apocalyptic number.

It is an amenable number.

2355949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355949 is an equidigital number, since it uses as much as digits as its factorization.

2355949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 37.

The square root of 2355949 is about 1534.9100950870. The cubic root of 2355949 is about 133.0623824038.

The spelling of 2355949 in words is "two million, three hundred fifty-five thousand, nine hundred forty-nine".