398333541 has 8 divisors (see below), whose sum is σ = 531805120. Its totient is φ = 265208832.

The previous prime is 398333521. The next prime is 398333543. The reversal of 398333541 is 145333893.

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

It is not a de Polignac number, because 398333541 - 2⁹ = 398333029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 398333541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398333543) 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, 84025 + ... + 88638.

It is an arithmetic number, because the mean of its divisors is an integer number (66475640).

Almost surely, 2^398333541 is an apocalyptic number.

It is an amenable number.

398333541 is a deficient number, since it is larger than the sum of its proper divisors (133471579).

398333541 is a wasteful number, since it uses less digits than its factorization.

398333541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173435.

The product of its digits is 116640, while the sum is 39.

The square root of 398333541 is about 19958.2950424128. The cubic root of 398333541 is about 735.7816609013.

The spelling of 398333541 in words is "three hundred ninety-eight million, three hundred thirty-three thousand, five hundred forty-one".