4556778 has 8 divisors (see below), whose sum is σ = 9113568. Its totient is φ = 1518924.

The previous prime is 4556777. The next prime is 4556779. The reversal of 4556778 is 8776554.

It is an interprime number because it is at equal distance from previous prime (4556777) and next prime (4556779).

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

4556778 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4556771) 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, 379726 + ... + 379737.

It is an arithmetic number, because the mean of its divisors is an integer number (1139196).

Almost surely, 2^4556778 is an apocalyptic number.

4556778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4556778 is a wasteful number, since it uses less digits than its factorization.

4556778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759468.

The product of its digits is 235200, while the sum is 42.

The square root of 4556778 is about 2134.6610972236. The cubic root of 4556778 is about 165.7878210388.

The spelling of 4556778 in words is "four million, five hundred fifty-six thousand, seven hundred seventy-eight".