4620945 has 24 divisors (see below), whose sum is σ = 8601984. Its totient is φ = 2112096.

The previous prime is 4620943. The next prime is 4620961. The reversal of 4620945 is 5490264.

4620945 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 4620945 - 2¹ = 4620943 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4620943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2409 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (358416).

Almost surely, 2^4620945 is an apocalyptic number.

It is an amenable number.

4620945 is a deficient number, since it is larger than the sum of its proper divisors (3981039).

4620945 is a wasteful number, since it uses less digits than its factorization.

4620945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309 (or 6302 counting only the distinct ones).

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

The square root of 4620945 is about 2149.6383416752. The cubic root of 4620945 is about 166.5623858778.

It can be divided in two parts, 4620 and 945, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 4620945 in words is "four million, six hundred twenty thousand, nine hundred forty-five".