4648778 has 8 divisors (see below), whose sum is σ = 6982500. Its totient is φ = 2321280.

The previous prime is 4648757. The next prime is 4648799. The reversal of 4648778 is 8778464.

It is an interprime number because it is at equal distance from previous prime (4648757) and next prime (4648799).

It can be written as a sum of positive squares in 2 ways, for example, as 3869089 + 779689 = 1967^2 + 883^2 .

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

It is a super-2 number, since 2×4648778² = 43222273786568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568 + ... + 3428.

Almost surely, 2^4648778 is an apocalyptic number.

4648778 is a deficient number, since it is larger than the sum of its proper divisors (2333722).

4648778 is a wasteful number, since it uses less digits than its factorization.

4648778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112.

The product of its digits is 301056, while the sum is 44.

The square root of 4648778 is about 2156.1025022016. The cubic root of 4648778 is about 166.8961310427.

The spelling of 4648778 in words is "four million, six hundred forty-eight thousand, seven hundred seventy-eight".