398866352 has 10 divisors (see below), whose sum is σ = 772803588. Its totient is φ = 199433168.

The previous prime is 398866331. The next prime is 398866357. The reversal of 398866352 is 253668893.

It is a self number, because there is not a number n which added to its sum of digits gives 398866352.

It is not an unprimeable number, because it can be changed into a prime (398866357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12464558 + ... + 12464589.

Almost surely, 2^398866352 is an apocalyptic number.

It is an amenable number.

398866352 is a deficient number, since it is larger than the sum of its proper divisors (373937236).

398866352 is a wasteful number, since it uses less digits than its factorization.

398866352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24929155 (or 24929149 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 398866352 is about 19971.6386909037. The cubic root of 398866352 is about 736.1095752893.

The spelling of 398866352 in words is "three hundred ninety-eight million, eight hundred sixty-six thousand, three hundred fifty-two".