4045624 has 32 divisors (see below), whose sum is σ = 8547840. Its totient is φ = 1778400.

The previous prime is 4045603. The next prime is 4045633. The reversal of 4045624 is 4265404.

It is a congruent number.

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, 1987 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

Almost surely, 2^4045624 is an apocalyptic number.

4045624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4273920).

4045624 is an abundant number, since it is smaller than the sum of its proper divisors (4502216).

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

4045624 is a wasteful number, since it uses less digits than its factorization.

4045624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4045624 is about 2011.3736599648. The cubic root of 4045624 is about 159.3413548868.

The spelling of 4045624 in words is "four million, forty-five thousand, six hundred twenty-four".