4951620 has 36 divisors (see below), whose sum is σ = 15020460. Its totient is φ = 1320384.

The previous prime is 4951613. The next prime is 4951621. The reversal of 4951620 is 261594.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 4064256 = 942^2 + 2016^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (4951621) 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, 13575 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (417235).

Almost surely, 2^4951620 is an apocalyptic number.

It is an amenable number.

4951620 is an abundant number, since it is smaller than the sum of its proper divisors (10068840).

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

4951620 is a wasteful number, since it uses less digits than its factorization.

4951620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27524 (or 27519 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 4951620 is about 2225.2235842719. The cubic root of 4951620 is about 170.4442819517. Note that the first 3 decimals are identical.

The spelling of 4951620 in words is "four million, nine hundred fifty-one thousand, six hundred twenty".