4919938 has 8 divisors (see below), whose sum is σ = 7393788. Its totient is φ = 2455344.

The previous prime is 4919921. The next prime is 4919939. The reversal of 4919938 is 8399194.

It can be written as a sum of positive squares in 2 ways, for example, as 4765489 + 154449 = 2183^2 + 393^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4919894 and 4919903.

It is not an unprimeable number, because it can be changed into a prime (4919939) 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, 781 + ... + 3232.

Almost surely, 2^4919938 is an apocalyptic number.

4919938 is a deficient number, since it is larger than the sum of its proper divisors (2473850).

4919938 is a wasteful number, since it uses less digits than its factorization.

4919938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628.

The product of its digits is 69984, while the sum is 43.

The square root of 4919938 is about 2218.0933253585. The cubic root of 4919938 is about 170.0799854288.

The spelling of 4919938 in words is "four million, nine hundred nineteen thousand, nine hundred thirty-eight".