549470994 has 32 divisors (see below), whose sum is σ = 1158144000. Its totient is φ = 173312784.

The previous prime is 549470983. The next prime is 549471011. The reversal of 549470994 is 499074945.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116127 + ... + 120765.

It is an arithmetic number, because the mean of its divisors is an integer number (36192000).

Almost surely, 2^549470994 is an apocalyptic number.

549470994 is an abundant number, since it is smaller than the sum of its proper divisors (608673006).

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

549470994 is a wasteful number, since it uses less digits than its factorization.

549470994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 549470994 is about 23440.7976400122. The cubic root of 549470994 is about 819.0585039928.

The spelling of 549470994 in words is "five hundred forty-nine million, four hundred seventy thousand, nine hundred ninety-four".