549406966 has 8 divisors (see below), whose sum is σ = 824234544. Its totient is φ = 274662120.

The previous prime is 549406939. The next prime is 549406967. The reversal of 549406966 is 669604945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549406967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 33148.

It is an arithmetic number, because the mean of its divisors is an integer number (103029318).

Almost surely, 2^549406966 is an apocalyptic number.

549406966 is a deficient number, since it is larger than the sum of its proper divisors (274827578).

549406966 is a wasteful number, since it uses less digits than its factorization.

549406966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41366.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 549406966 is about 23439.4318617154. The cubic root of 549406966 is about 819.0266887162.

The spelling of 549406966 in words is "five hundred forty-nine million, four hundred six thousand, nine hundred sixty-six".