4944778 has 4 divisors (see below), whose sum is σ = 7417170. Its totient is φ = 2472388.

The previous prime is 4944743. The next prime is 4944781. The reversal of 4944778 is 8774494.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 2064969 = 1697^2 + 1437^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236193 + ... + 1236196.

Almost surely, 2^4944778 is an apocalyptic number.

4944778 is a deficient number, since it is larger than the sum of its proper divisors (2472392).

4944778 is a wasteful number, since it uses less digits than its factorization.

4944778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472391.

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

The square root of 4944778 is about 2223.6856792272. The cubic root of 4944778 is about 170.3657408331.

The spelling of 4944778 in words is "four million, nine hundred forty-four thousand, seven hundred seventy-eight".