398976043 has 8 divisors (see below), whose sum is σ = 432749520. Its totient is φ = 366347520.

The previous prime is 398976037. The next prime is 398976047. The reversal of 398976043 is 340679893.

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

It is a cyclic number.

It is not a de Polignac number, because 398976043 - 2¹³ = 398967851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398976047) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 285513 + ... + 286906.

It is an arithmetic number, because the mean of its divisors is an integer number (54093690).

Almost surely, 2^398976043 is an apocalyptic number.

398976043 is a deficient number, since it is larger than the sum of its proper divisors (33773477).

398976043 is a wasteful number, since it uses less digits than its factorization.

398976043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572477.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 398976043 is about 19974.3846713735. The cubic root of 398976043 is about 736.1770475094.

The spelling of 398976043 in words is "three hundred ninety-eight million, nine hundred seventy-six thousand, forty-three".