4978244 has 12 divisors (see below), whose sum is σ = 8745324. Its totient is φ = 2479584.

The previous prime is 4978241. The next prime is 4978277. The reversal of 4978244 is 4428794.

It can be written as a sum of positive squares in 2 ways, for example, as 3385600 + 1592644 = 1840^2 + 1262^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4978198 and 4978207.

It is not an unprimeable number, because it can be changed into a prime (4978241) 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, 1139 + ... + 3354.

It is an arithmetic number, because the mean of its divisors is an integer number (728777).

Almost surely, 2^4978244 is an apocalyptic number.

It is an amenable number.

4978244 is a deficient number, since it is larger than the sum of its proper divisors (3767080).

4978244 is a wasteful number, since it uses less digits than its factorization.

4978244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 4978244 is about 2231.1978845454. The cubic root of 4978244 is about 170.7492191634.

The spelling of 4978244 in words is "four million, nine hundred seventy-eight thousand, two hundred forty-four".