4641520 has 40 divisors (see below), whose sum is σ = 11624256. Its totient is φ = 1713408.

The previous prime is 4641509. The next prime is 4641557. The reversal of 4641520 is 251464.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4641491 and 4641500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 3271.

Almost surely, 2^4641520 is an apocalyptic number.

4641520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4641520 is an abundant number, since it is smaller than the sum of its proper divisors (6982736).

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

4641520 is a wasteful number, since it uses less digits than its factorization.

4641520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489 (or 4483 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4641520 is about 2154.4187151062. The cubic root of 4641520 is about 166.8092291320.

Adding to 4641520 its reverse (251464), we get a palindrome (4892984).

The spelling of 4641520 in words is "four million, six hundred forty-one thousand, five hundred twenty".