4455620 has 24 divisors (see below), whose sum is σ = 10077144. Its totient is φ = 1645056.

The previous prime is 4455611. The next prime is 4455631. The reversal of 4455620 is 265544.

It can be written as a sum of positive squares in 4 ways, for example, as 228484 + 4227136 = 478^2 + 2056^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 4455620.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8309 + ... + 8828.

It is an arithmetic number, because the mean of its divisors is an integer number (419881).

Almost surely, 2^4455620 is an apocalyptic number.

It is an amenable number.

4455620 is an abundant number, since it is smaller than the sum of its proper divisors (5621524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4455620 is a wasteful number, since it uses less digits than its factorization.

4455620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159 (or 17157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4455620 is about 2110.8339584155. The cubic root of 4455620 is about 164.5518293953.

The spelling of 4455620 in words is "four million, four hundred fifty-five thousand, six hundred twenty".