549679197 has 8 divisors (see below), whose sum is σ = 756547840. Its totient is φ = 354631680.

The previous prime is 549679183. The next prime is 549679199. The reversal of 549679197 is 791976945.

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

It is not a de Polignac number, because 549679197 - 2⁶ = 549679133 is a prime.

It is a super-2 number, since 2×549679197² = 604294439229129618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549679199) 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 7 ways as a sum of consecutive naturals, for example, 2955172 + ... + 2955357.

It is an arithmetic number, because the mean of its divisors is an integer number (94568480).

Almost surely, 2^549679197 is an apocalyptic number.

It is an amenable number.

549679197 is a deficient number, since it is larger than the sum of its proper divisors (206868643).

549679197 is a wasteful number, since it uses less digits than its factorization.

549679197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910563.

The product of its digits is 4286520, while the sum is 57.

The square root of 549679197 is about 23445.2382585462. The cubic root of 549679197 is about 819.1619422120.

The spelling of 549679197 in words is "five hundred forty-nine million, six hundred seventy-nine thousand, one hundred ninety-seven".