4620591 has 16 divisors (see below), whose sum is σ = 7206400. Its totient is φ = 2917944.

The previous prime is 4620589. The next prime is 4620601. The reversal of 4620591 is 1950264.

It is not a de Polignac number, because 4620591 - 2¹ = 4620589 is a prime.

It is a super-2 number, since 2×4620591² = 42699722378562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4620571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (450400).

Almost surely, 2^4620591 is an apocalyptic number.

4620591 is a deficient number, since it is larger than the sum of its proper divisors (2585809).

4620591 is a wasteful number, since it uses less digits than its factorization.

4620591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9035 (or 9029 counting only the distinct ones).

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

The square root of 4620591 is about 2149.5560006662. The cubic root of 4620591 is about 166.5581324484.

The spelling of 4620591 in words is "four million, six hundred twenty thousand, five hundred ninety-one".