4784388 has 24 divisors (see below), whose sum is σ = 12758592. Its totient is φ = 1366944.

The previous prime is 4784341. The next prime is 4784401. The reversal of 4784388 is 8834874.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nialpdrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28395 + ... + 28562.

It is an arithmetic number, because the mean of its divisors is an integer number (531608).

Almost surely, 2^4784388 is an apocalyptic number.

It is an amenable number.

4784388 is an abundant number, since it is smaller than the sum of its proper divisors (7974204).

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

4784388 is a wasteful number, since it uses less digits than its factorization.

4784388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56971 (or 56969 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 4784388 is about 2187.3243929514. The cubic root of 4784388 is about 168.5034501080.

The spelling of 4784388 in words is "four million, seven hundred eighty-four thousand, three hundred eighty-eight".