4455885 has 16 divisors (see below), whose sum is σ = 8148096. Its totient is φ = 2036928.

The previous prime is 4455881. The next prime is 4455901. The reversal of 4455885 is 5885544.

4455885 = T₄₈₇ + T₄₈₈ + ... + T₅₂₁.

It is not a de Polignac number, because 4455885 - 2² = 4455881 is a prime.

It is a super-2 number, since 2×4455885² = 39709822266450, which contains 22 as substring.

4455885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21114 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (509256).

Almost surely, 2^4455885 is an apocalyptic number.

It is an amenable number.

4455885 is a deficient number, since it is larger than the sum of its proper divisors (3692211).

4455885 is a wasteful number, since it uses less digits than its factorization.

4455885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42452.

The product of its digits is 128000, while the sum is 39.

The square root of 4455885 is about 2110.8967288809. The cubic root of 4455885 is about 164.5550915952. Note that the first 3 decimals are identical.

The spelling of 4455885 in words is "four million, four hundred fifty-five thousand, eight hundred eighty-five".