4592640 has 176 divisors, whose sum is σ = 16507008. Its totient is φ = 1081344.

The previous prime is 4592611. The next prime is 4592641. The reversal of 4592640 is 462954.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4592598 and 4592607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4592641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199669 + ... + 199691.

Almost surely, 2^4592640 is an apocalyptic number.

4592640 is a gapful number since it is divisible by the number (40) 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 4592640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8253504).

4592640 is an abundant number, since it is smaller than the sum of its proper divisors (11914368).

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

4592640 is a wasteful number, since it uses less digits than its factorization.

4592640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4592640 is about 2143.0445632324. The cubic root of 4592640 is about 166.2216036827.

The spelling of 4592640 in words is "four million, five hundred ninety-two thousand, six hundred forty".