4778898 has 16 divisors (see below), whose sum is σ = 9866496. Its totient is φ = 1541520.

The previous prime is 4778869. The next prime is 4778927. The reversal of 4778898 is 8988774.

It is an interprime number because it is at equal distance from previous prime (4778869) and next prime (4778927).

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 4778898.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12661 + ... + 13032.

It is an arithmetic number, because the mean of its divisors is an integer number (616656).

Almost surely, 2^4778898 is an apocalyptic number.

4778898 is an abundant number, since it is smaller than the sum of its proper divisors (5087598).

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

4778898 is a wasteful number, since it uses less digits than its factorization.

4778898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25729.

The product of its digits is 903168, while the sum is 51.

The square root of 4778898 is about 2186.0690748464. The cubic root of 4778898 is about 168.4389738708.

The spelling of 4778898 in words is "four million, seven hundred seventy-eight thousand, eight hundred ninety-eight".