4945557 has 8 divisors (see below), whose sum is σ = 6706080. Its totient is φ = 3241040.

The previous prime is 4945553. The next prime is 4945579. The reversal of 4945557 is 7555494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4945557 - 2² = 4945553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13794 + ... + 14147.

It is an arithmetic number, because the mean of its divisors is an integer number (838260).

Almost surely, 2^4945557 is an apocalyptic number.

It is an amenable number.

4945557 is a deficient number, since it is larger than the sum of its proper divisors (1760523).

4945557 is a wasteful number, since it uses less digits than its factorization.

4945557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28003.

The product of its digits is 126000, while the sum is 39.

The square root of 4945557 is about 2223.8608319767. The cubic root of 4945557 is about 170.3746868326.

The spelling of 4945557 in words is "four million, nine hundred forty-five thousand, five hundred fifty-seven".