398229796 has 6 divisors (see below), whose sum is σ = 696902150. Its totient is φ = 199114896.

The previous prime is 398229791. The next prime is 398229809. The reversal of 398229796 is 697922893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 378302500 + 19927296 = 19450^2 + 4464^2 .

It is not an unprimeable number, because it can be changed into a prime (398229791) 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 as a sum of consecutive naturals, namely, 49778721 + ... + 49778728.

Almost surely, 2^398229796 is an apocalyptic number.

It is an amenable number.

398229796 is a deficient number, since it is larger than the sum of its proper divisors (298672354).

398229796 is a wasteful number, since it uses less digits than its factorization.

398229796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99557453 (or 99557451 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 398229796 is about 19955.6958285097. The cubic root of 398229796 is about 735.7177778414.

The spelling of 398229796 in words is "three hundred ninety-eight million, two hundred twenty-nine thousand, seven hundred ninety-six".