398626443 has 12 divisors (see below), whose sum is σ = 579328360. Its totient is φ = 264119616.

The previous prime is 398626439. The next prime is 398626451. The reversal of 398626443 is 344626893.

It is not a de Polignac number, because 398626443 - 2² = 398626439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398626043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134398 + ... + 137331.

Almost surely, 2^398626443 is an apocalyptic number.

398626443 is a deficient number, since it is larger than the sum of its proper divisors (180701917).

398626443 is a wasteful number, since it uses less digits than its factorization.

398626443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271898 (or 271895 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 398626443 is about 19965.6315452329. The cubic root of 398626443 is about 735.9619613247.

The spelling of 398626443 in words is "three hundred ninety-eight million, six hundred twenty-six thousand, four hundred forty-three".