578341890 has 128 divisors (see below), whose sum is σ = 1819607040. Its totient is φ = 127915200.

The previous prime is 578341889. The next prime is 578341891. The reversal of 578341890 is 98143875.

It is an interprime number because it is at equal distance from previous prime (578341889) and next prime (578341891).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (578341891) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 53655 + ... + 63525.

It is an arithmetic number, because the mean of its divisors is an integer number (14215680).

Almost surely, 2^578341890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578341890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909803520).

578341890 is an abundant number, since it is smaller than the sum of its proper divisors (1241265150).

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

578341890 is a wasteful number, since it uses less digits than its factorization.

578341890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 578341890 is about 24048.7398838276. The cubic root of 578341890 is about 833.1596265492.

The spelling of 578341890 in words is "five hundred seventy-eight million, three hundred forty-one thousand, eight hundred ninety".