396549844 has 6 divisors (see below), whose sum is σ = 693962234. Its totient is φ = 198274920.

The previous prime is 396549833. The next prime is 396549851. The reversal of 396549844 is 448945693.

It can be written as a sum of positive squares in only one way, i.e., 198810000 + 197739844 = 14100^2 + 14062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 396549791 and 396549800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49568727 + ... + 49568734.

Almost surely, 2^396549844 is an apocalyptic number.

It is an amenable number.

396549844 is a deficient number, since it is larger than the sum of its proper divisors (297412390).

396549844 is a wasteful number, since it uses less digits than its factorization.

396549844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99137465 (or 99137463 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 396549844 is about 19913.5593001352. The cubic root of 396549844 is about 734.6817657613.

The spelling of 396549844 in words is "three hundred ninety-six million, five hundred forty-nine thousand, eight hundred forty-four".