4949618 has 8 divisors (see below), whose sum is σ = 7861212. Its totient is φ = 2329216.

The previous prime is 4949611. The next prime is 4949621. The reversal of 4949618 is 8169494.

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 840889 = 2027^2 + 917^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4949611) 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 3 ways as a sum of consecutive naturals, for example, 72755 + ... + 72822.

Almost surely, 2^4949618 is an apocalyptic number.

4949618 is a deficient number, since it is larger than the sum of its proper divisors (2911594).

4949618 is a wasteful number, since it uses less digits than its factorization.

4949618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145596.

The product of its digits is 62208, while the sum is 41.

The square root of 4949618 is about 2224.7736963566. The cubic root of 4949618 is about 170.4213079587.

The spelling of 4949618 in words is "four million, nine hundred forty-nine thousand, six hundred eighteen".