4455632 has 20 divisors (see below), whose sum is σ = 9141156. Its totient is φ = 2096640.

The previous prime is 4455631. The next prime is 4455637. The reversal of 4455632 is 2365544.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 3254416 = 1096^2 + 1804^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4455595 and 4455604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7919 + ... + 8462.

Almost surely, 2^4455632 is an apocalyptic number.

It is an amenable number.

4455632 is an abundant number, since it is smaller than the sum of its proper divisors (4685524).

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

4455632 is a wasteful number, since it uses less digits than its factorization.

4455632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16406 (or 16400 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 4455632 is about 2110.8368008920. The cubic root of 4455632 is about 164.5519771203.

The spelling of 4455632 in words is "four million, four hundred fifty-five thousand, six hundred thirty-two".