4345632 has 72 divisors (see below), whose sum is σ = 12579840. Its totient is φ = 1422720.

The previous prime is 4345609. The next prime is 4345633. The reversal of 4345632 is 2365434.

It is a tau number, because it is divible by the number of its divisors (72).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4345596 and 4345605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22657 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^4345632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6289920).

4345632 is an abundant number, since it is smaller than the sum of its proper divisors (8234208).

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

4345632 is a wasteful number, since it uses less digits than its factorization.

4345632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 275 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 4345632 is about 2084.6179506087. The cubic root of 4345632 is about 163.1865329141.

The spelling of 4345632 in words is "four million, three hundred forty-five thousand, six hundred thirty-two".