398746202 has 4 divisors (see below), whose sum is σ = 598119306. Its totient is φ = 199373100.

The previous prime is 398746199. The next prime is 398746207. The reversal of 398746202 is 202647893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202647893 = 7 ⋅28949699.

It can be written as a sum of positive squares in only one way, i.e., 209931121 + 188815081 = 14489^2 + 13741^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 398746202.

It is not an unprimeable number, because it can be changed into a prime (398746207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99686549 + ... + 99686552.

Almost surely, 2^398746202 is an apocalyptic number.

398746202 is a deficient number, since it is larger than the sum of its proper divisors (199373104).

398746202 is a wasteful number, since it uses less digits than its factorization.

398746202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199373103.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 398746202 is about 19968.6304487814. The cubic root of 398746202 is about 736.0356554186.

The spelling of 398746202 in words is "three hundred ninety-eight million, seven hundred forty-six thousand, two hundred two".