199420698 has 16 divisors (see below), whose sum is σ = 403323840. Its totient is φ = 65726496.

The previous prime is 199420691. The next prime is 199420703. The reversal of 199420698 is 896024991.

It is a super-2 number, since 2×199420698² = 79537229581614408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199420691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186190 + ... + 187257.

It is an arithmetic number, because the mean of its divisors is an integer number (25207740).

Almost surely, 2^199420698 is an apocalyptic number.

199420698 is an abundant number, since it is smaller than the sum of its proper divisors (203903142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199420698 is a wasteful number, since it uses less digits than its factorization.

199420698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373541.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 199420698 is about 14121.6393524265. The cubic root of 199420698 is about 584.2383718371.

The spelling of 199420698 in words is "one hundred ninety-nine million, four hundred twenty thousand, six hundred ninety-eight".