4631620 has 24 divisors (see below), whose sum is σ = 11116224. Its totient is φ = 1587936.

The previous prime is 4631597. The next prime is 4631629. The reversal of 4631620 is 261364.

It is a junction number, because it is equal to n+sod(n) for n = 4631591 and 4631600.

It is not an unprimeable number, because it can be changed into a prime (4631629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16402 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (463176).

Almost surely, 2^4631620 is an apocalyptic number.

It is an amenable number.

4631620 is an abundant number, since it is smaller than the sum of its proper divisors (6484604).

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

4631620 is a wasteful number, since it uses less digits than its factorization.

4631620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33099 (or 33097 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4631620 is about 2152.1198851365. The cubic root of 4631620 is about 166.6905476891.

Adding to 4631620 its reverse (261364), we get a palindrome (4892984).

The spelling of 4631620 in words is "four million, six hundred thirty-one thousand, six hundred twenty".