398545034 has 4 divisors (see below), whose sum is σ = 597817554. Its totient is φ = 199272516.

The previous prime is 398545031. The next prime is 398545067. The reversal of 398545034 is 430545893.

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., 349503025 + 49042009 = 18695^2 + 7003^2 .

It is a super-2 number, since 2×398545034² = 317676288252122312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 398544982 and 398545000.

It is not an unprimeable number, because it can be changed into a prime (398545031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99636257 + ... + 99636260.

Almost surely, 2^398545034 is an apocalyptic number.

398545034 is a deficient number, since it is larger than the sum of its proper divisors (199272520).

398545034 is a wasteful number, since it uses less digits than its factorization.

398545034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199272519.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 398545034 is about 19963.5927127359. The cubic root of 398545034 is about 735.9118576019.

The spelling of 398545034 in words is "three hundred ninety-eight million, five hundred forty-five thousand, thirty-four".