4645449 has 6 divisors (see below), whose sum is σ = 6710106. Its totient is φ = 3096960.

The previous prime is 4645441. The next prime is 4645477. The reversal of 4645449 is 9445464.

4645449 is a `hidden beast` number, since 4 + 645 + 4 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 1863225 = 1668^2 + 1365^2 .

It is not a de Polignac number, because 4645449 - 2³ = 4645441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4645441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258072 + ... + 258089.

It is an arithmetic number, because the mean of its divisors is an integer number (1118351).

Almost surely, 2^4645449 is an apocalyptic number.

It is an amenable number.

4645449 is a deficient number, since it is larger than the sum of its proper divisors (2064657).

4645449 is a wasteful number, since it uses less digits than its factorization.

4645449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516167 (or 516164 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4645449 is about 2155.3303691082. The cubic root of 4645449 is about 166.8562833025.

The spelling of 4645449 in words is "four million, six hundred forty-five thousand, four hundred forty-nine".