398379041 has 8 divisors (see below), whose sum is σ = 404445960. Its totient is φ = 392347648.

The previous prime is 398379017. The next prime is 398379043. The reversal of 398379041 is 140973893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 216237025 + 182142016 = 14705^2 + 13496^2 .

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 398379041 - 2²² = 394184737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398378983 and 398379001.

It is not an unprimeable number, because it can be changed into a prime (398379043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14165 + ... + 31581.

It is an arithmetic number, because the mean of its divisors is an integer number (50555745).

Almost surely, 2^398379041 is an apocalyptic number.

It is an amenable number.

398379041 is a deficient number, since it is larger than the sum of its proper divisors (6066919).

398379041 is a wasteful number, since it uses less digits than its factorization.

398379041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 398379041 is about 19959.4348867898. The cubic root of 398379041 is about 735.8096749377.

The spelling of 398379041 in words is "three hundred ninety-eight million, three hundred seventy-nine thousand, forty-one".