4999557 has 4 divisors (see below), whose sum is σ = 6666080. Its totient is φ = 3333036.

The previous prime is 4999537. The next prime is 4999559. The reversal of 4999557 is 7559994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4999557 - 2⁶ = 4999493 is a prime.

It is a super-3 number, since 3×4999557³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833257 + ... + 833262.

It is an arithmetic number, because the mean of its divisors is an integer number (1666520).

Almost surely, 2^4999557 is an apocalyptic number.

It is an amenable number.

4999557 is a deficient number, since it is larger than the sum of its proper divisors (1666523).

4999557 is a wasteful number, since it uses less digits than its factorization.

4999557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666522.

The product of its digits is 510300, while the sum is 48.

The square root of 4999557 is about 2235.9689174942. The cubic root of 4999557 is about 170.9925443896.

The spelling of 4999557 in words is "four million, nine hundred ninety-nine thousand, five hundred fifty-seven".