398170034 has 16 divisors (see below), whose sum is σ = 600929280. Its totient is φ = 197864400.

The previous prime is 398170027. The next prime is 398170051. The reversal of 398170034 is 430071893.

It is a super-2 number, since 2×398170034² = 317078751951122312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398169976 and 398170003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345359 + ... + 346509.

It is an arithmetic number, because the mean of its divisors is an integer number (37558080).

Almost surely, 2^398170034 is an apocalyptic number.

398170034 is a deficient number, since it is larger than the sum of its proper divisors (202759246).

398170034 is a wasteful number, since it uses less digits than its factorization.

398170034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 398170034 is about 19954.1984053482. The cubic root of 398170034 is about 735.6809731574.

The spelling of 398170034 in words is "three hundred ninety-eight million, one hundred seventy thousand, thirty-four".