549969946 has 8 divisors (see below), whose sum is σ = 851566464. Its totient is φ = 266114460.

The previous prime is 549969943. The next prime is 549969967. The reversal of 549969946 is 649969945.

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

It is not an unprimeable number, because it can be changed into a prime (549969943) 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, 4435180 + ... + 4435303.

It is an arithmetic number, because the mean of its divisors is an integer number (106445808).

Almost surely, 2^549969946 is an apocalyptic number.

549969946 is a deficient number, since it is larger than the sum of its proper divisors (301596518).

549969946 is a wasteful number, since it uses less digits than its factorization.

549969946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870516.

The product of its digits is 18895680, while the sum is 61.

The square root of 549969946 is about 23451.4380369307. The cubic root of 549969946 is about 819.3063467643.

Subtracting 549969946 from its reverse (649969945), we obtain a palindrome (99999999).

The spelling of 549969946 in words is "five hundred forty-nine million, nine hundred sixty-nine thousand, nine hundred forty-six".