549779346 has 32 divisors (see below), whose sum is σ = 1242446400. Its totient is φ = 180152640.

The previous prime is 549779339. The next prime is 549779369. The reversal of 549779346 is 643977945.

It is a happy number.

549779346 is a `hidden beast` number, since 549 + 7 + 7 + 93 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 549779292 and 549779301.

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, 83095 + ... + 89466.

It is an arithmetic number, because the mean of its divisors is an integer number (38826450).

Almost surely, 2^549779346 is an apocalyptic number.

549779346 is an abundant number, since it is smaller than the sum of its proper divisors (692667054).

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

549779346 is a wasteful number, since it uses less digits than its factorization.

549779346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172631 (or 172625 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 54.

The square root of 549779346 is about 23447.3739681014. The cubic root of 549779346 is about 819.2116883597.

The spelling of 549779346 in words is "five hundred forty-nine million, seven hundred seventy-nine thousand, three hundred forty-six".