4782890 has 48 divisors (see below), whose sum is σ = 10292832. Its totient is φ = 1594656.

The previous prime is 4782881. The next prime is 4782893. The reversal of 4782890 is 982874.

It is not an unprimeable number, because it can be changed into a prime (4782893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20957 + ... + 21183.

It is an arithmetic number, because the mean of its divisors is an integer number (214434).

Almost surely, 2^4782890 is an apocalyptic number.

4782890 is an abundant number, since it is smaller than the sum of its proper divisors (5509942).

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

4782890 is a wasteful number, since it uses less digits than its factorization.

4782890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4782890 is about 2186.9819386543. The cubic root of 4782890 is about 168.4858620335.

The spelling of 4782890 in words is "four million, seven hundred eighty-two thousand, eight hundred ninety".