4621557 has 16 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 2967552.

The previous prime is 4621537. The next prime is 4621571. The reversal of 4621557 is 7551264.

It is not a de Polignac number, because 4621557 - 2¹¹ = 4619509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621517) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10069 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (399600).

Almost surely, 2^4621557 is an apocalyptic number.

4621557 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4621557 is a deficient number, since it is larger than the sum of its proper divisors (1772043).

4621557 is a wasteful number, since it uses less digits than its factorization.

4621557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 8400, while the sum is 30.

The square root of 4621557 is about 2149.7806864887. The cubic root of 4621557 is about 166.5697387519.

The spelling of 4621557 in words is "four million, six hundred twenty-one thousand, five hundred fifty-seven".