4974638 has 4 divisors (see below), whose sum is σ = 7461960. Its totient is φ = 2487318.

The previous prime is 4974587. The next prime is 4974649. The reversal of 4974638 is 8364794.

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

It is a junction number, because it is equal to n+sod(n) for n = 4974595 and 4974604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243658 + ... + 1243661.

It is an arithmetic number, because the mean of its divisors is an integer number (1865490).

Almost surely, 2^4974638 is an apocalyptic number.

4974638 is a deficient number, since it is larger than the sum of its proper divisors (2487322).

4974638 is a wasteful number, since it uses less digits than its factorization.

4974638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487321.

The product of its digits is 145152, while the sum is 41.

The square root of 4974638 is about 2230.3896520563. The cubic root of 4974638 is about 170.7079817036.

The spelling of 4974638 in words is "four million, nine hundred seventy-four thousand, six hundred thirty-eight".