398303241 has 8 divisors (see below), whose sum is σ = 606938304. Its totient is φ = 227601840.

The previous prime is 398303237. The next prime is 398303267. The reversal of 398303241 is 142303893.

It is a happy number.

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

It is not a de Polignac number, because 398303241 - 2² = 398303237 is a prime.

It is a super-2 number, since 2×398303241² = 317290943582208162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398303231) 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, 9483390 + ... + 9483431.

It is an arithmetic number, because the mean of its divisors is an integer number (75867288).

Almost surely, 2^398303241 is an apocalyptic number.

It is an amenable number.

398303241 is a deficient number, since it is larger than the sum of its proper divisors (208635063).

398303241 is a wasteful number, since it uses less digits than its factorization.

398303241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18966831.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 398303241 is about 19957.5359451010. The cubic root of 398303241 is about 735.7630042167.

It can be divided in two parts, 39830 and 3241, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 398303241 in words is "three hundred ninety-eight million, three hundred three thousand, two hundred forty-one".