4932778 has 4 divisors (see below), whose sum is σ = 7399170. Its totient is φ = 2466388.

The previous prime is 4932769. The next prime is 4932779. The reversal of 4932778 is 8772394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8772394 = 2 ⋅4386197.

It can be written as a sum of positive squares in only one way, i.e., 4915089 + 17689 = 2217^2 + 133^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4932778.

It is not an unprimeable number, because it can be changed into a prime (4932779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233193 + ... + 1233196.

Almost surely, 2^4932778 is an apocalyptic number.

4932778 is a deficient number, since it is larger than the sum of its proper divisors (2466392).

4932778 is a wasteful number, since it uses less digits than its factorization.

4932778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466391.

The product of its digits is 84672, while the sum is 40.

The square root of 4932778 is about 2220.9858171542. The cubic root of 4932778 is about 170.2278145266.

The spelling of 4932778 in words is "four million, nine hundred thirty-two thousand, seven hundred seventy-eight".