198408802 has 8 divisors (see below), whose sum is σ = 315119916. Its totient is φ = 93368832.

The previous prime is 198408781. The next prime is 198408829. The reversal of 198408802 is 208804891.

It can be written as a sum of positive squares in 2 ways, for example, as 195412441 + 2996361 = 13979^2 + 1731^2 .

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

It is a super-2 number, since 2×198408802² = 78732105422150408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917743 + ... + 2917810.

Almost surely, 2^198408802 is an apocalyptic number.

198408802 is a deficient number, since it is larger than the sum of its proper divisors (116711114).

198408802 is a wasteful number, since it uses less digits than its factorization.

198408802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835572.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 198408802 is about 14085.7659358659. The cubic root of 198408802 is about 583.2485193334.

The spelling of 198408802 in words is "one hundred ninety-eight million, four hundred eight thousand, eight hundred two".