4779938 has 4 divisors (see below), whose sum is σ = 7169910. Its totient is φ = 2389968.

The previous prime is 4779913. The next prime is 4779949. The reversal of 4779938 is 8399774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8399774 = 2 ⋅4199887.

It can be written as a sum of positive squares in only one way, i.e., 4592449 + 187489 = 2143^2 + 433^2 .

It is a super-3 number, since 3×4779938³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4779892 and 4779901.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194983 + ... + 1194986.

Almost surely, 2^4779938 is an apocalyptic number.

4779938 is a deficient number, since it is larger than the sum of its proper divisors (2389972).

4779938 is a wasteful number, since it uses less digits than its factorization.

4779938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389971.

The product of its digits is 381024, while the sum is 47.

The square root of 4779938 is about 2186.3069317916. The cubic root of 4779938 is about 168.4511917382.

The spelling of 4779938 in words is "four million, seven hundred seventy-nine thousand, nine hundred thirty-eight".