398070034 has 8 divisors (see below), whose sum is σ = 597191868. Its totient is φ = 199006080.

The previous prime is 398070031. The next prime is 398070053. The reversal of 398070034 is 430070893.

It can be written as a sum of positive squares in 2 ways, for example, as 395811025 + 2259009 = 19895^2 + 1503^2 .

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

It is a super-2 number, since 2×398070034² = 316919503937522312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (398070031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13674 + ... + 31354.

Almost surely, 2^398070034 is an apocalyptic number.

398070034 is a deficient number, since it is larger than the sum of its proper divisors (199121834).

398070034 is a wasteful number, since it uses less digits than its factorization.

398070034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28940.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 398070034 is about 19951.6925096594. The cubic root of 398070034 is about 735.6193794907.

The spelling of 398070034 in words is "three hundred ninety-eight million, seventy thousand, thirty-four".