398343058 has 4 divisors (see below), whose sum is σ = 597514590. Its totient is φ = 199171528.

The previous prime is 398343041. The next prime is 398343059. The reversal of 398343058 is 850343893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366454449 + 31888609 = 19143^2 + 5647^2 .

It is a super-3 number, since 3×398343058³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (398343059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99585763 + ... + 99585766.

Almost surely, 2^398343058 is an apocalyptic number.

398343058 is a deficient number, since it is larger than the sum of its proper divisors (199171532).

398343058 is a wasteful number, since it uses less digits than its factorization.

398343058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199171531.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 398343058 is about 19958.5334631581. The cubic root of 398343058 is about 735.7875206290.

The spelling of 398343058 in words is "three hundred ninety-eight million, three hundred forty-three thousand, fifty-eight".