546919890 has 64 divisors (see below), whose sum is σ = 1435853952. Its totient is φ = 132224000.

The previous prime is 546919873. The next prime is 546919897. The reversal of 546919890 is 98919645.

It is a super-2 number, since 2×546919890² = 598242732155224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546919897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130264 + ... + 134396.

It is an arithmetic number, because the mean of its divisors is an integer number (22435218).

Almost surely, 2^546919890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546919890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717926976).

546919890 is an abundant number, since it is smaller than the sum of its proper divisors (888934062).

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

546919890 is a wasteful number, since it uses less digits than its factorization.

546919890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 546919890 is about 23386.3184362139. The cubic root of 546919890 is about 817.7889522746.

The spelling of 546919890 in words is "five hundred forty-six million, nine hundred nineteen thousand, eight hundred ninety".