4919242 has 4 divisors (see below), whose sum is σ = 7378866. Its totient is φ = 2459620.

The previous prime is 4919231. The next prime is 4919249. The reversal of 4919242 is 2429194.

It is a happy number.

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., 3200521 + 1718721 = 1789^2 + 1311^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4919249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229809 + ... + 1229812.

Almost surely, 2^4919242 is an apocalyptic number.

4919242 is a deficient number, since it is larger than the sum of its proper divisors (2459624).

4919242 is a wasteful number, since it uses less digits than its factorization.

4919242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459623.

The product of its digits is 5184, while the sum is 31.

The square root of 4919242 is about 2217.9364283045. The cubic root of 4919242 is about 170.0719649177.

It can be divided in two parts, 49 and 19242, that added together give a palindrome (19291).

The spelling of 4919242 in words is "four million, nine hundred nineteen thousand, two hundred forty-two".