4957618 has 4 divisors (see below), whose sum is σ = 7436430. Its totient is φ = 2478808.

The previous prime is 4957609. The next prime is 4957633. The reversal of 4957618 is 8167594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 1940449 = 1737^2 + 1393^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239403 + ... + 1239406.

Almost surely, 2^4957618 is an apocalyptic number.

4957618 is a deficient number, since it is larger than the sum of its proper divisors (2478812).

4957618 is a wasteful number, since it uses less digits than its factorization.

4957618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478811.

The product of its digits is 60480, while the sum is 40.

The square root of 4957618 is about 2226.5709061245. The cubic root of 4957618 is about 170.5130750802.

It can be divided in two parts, 49576 and 18, that added together give a palindrome (49594).

The spelling of 4957618 in words is "four million, nine hundred fifty-seven thousand, six hundred eighteen".