4455949 has 2 divisors, whose sum is σ = 4455950. Its totient is φ = 4455948.

The previous prime is 4455911. The next prime is 4455953. The reversal of 4455949 is 9495544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3087049 + 1368900 = 1757^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455949 - 2¹³ = 4447757 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4455959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227974 + 2227975.

It is an arithmetic number, because the mean of its divisors is an integer number (2227975).

Almost surely, 2^4455949 is an apocalyptic number.

It is an amenable number.

4455949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455949 is an equidigital number, since it uses as much as digits as its factorization.

4455949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 4455949 is about 2110.9118882606. The cubic root of 4455949 is about 164.5558794279. Note that the first 3 decimals are identical.

The spelling of 4455949 in words is "four million, four hundred fifty-five thousand, nine hundred forty-nine".