4978474 has 4 divisors (see below), whose sum is σ = 7467714. Its totient is φ = 2489236.

The previous prime is 4978471. The next prime is 4978483. The reversal of 4978474 is 4748794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4748794 = 2 ⋅2374397.

It can be written as a sum of positive squares in only one way, i.e., 3861225 + 1117249 = 1965^2 + 1057^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4978474.

It is not an unprimeable number, because it can be changed into a prime (4978471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244617 + ... + 1244620.

Almost surely, 2^4978474 is an apocalyptic number.

4978474 is a deficient number, since it is larger than the sum of its proper divisors (2489240).

4978474 is a wasteful number, since it uses less digits than its factorization.

4978474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489239.

The product of its digits is 225792, while the sum is 43.

The square root of 4978474 is about 2231.2494257702. The cubic root of 4978474 is about 170.7518487195.

The spelling of 4978474 in words is "four million, nine hundred seventy-eight thousand, four hundred seventy-four".