4778698 has 8 divisors (see below), whose sum is σ = 7361892. Its totient is φ = 2324736.

The previous prime is 4778693. The next prime is 4778701. The reversal of 4778698 is 8968774.

It can be written as a sum of positive squares in 2 ways, for example, as 4255969 + 522729 = 2063^2 + 723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4778693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32215 + ... + 32362.

Almost surely, 2^4778698 is an apocalyptic number.

4778698 is a deficient number, since it is larger than the sum of its proper divisors (2583194).

4778698 is a wasteful number, since it uses less digits than its factorization.

4778698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64616.

The product of its digits is 677376, while the sum is 49.

The square root of 4778698 is about 2186.0233301591. The cubic root of 4778698 is about 168.4366240777.

It can be divided in two parts, 4778 and 698, that added together give a square (5476 = 74²).

The spelling of 4778698 in words is "four million, seven hundred seventy-eight thousand, six hundred ninety-eight".