199020708 has 36 divisors (see below), whose sum is σ = 503694828. Its totient is φ = 66259200.

The previous prime is 199020677. The next prime is 199020709. The reversal of 199020708 is 807020991.

It is a happy number.

199020708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153214884 + 45805824 = 12378^2 + 6768^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (199020709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31408 + ... + 37208.

It is an arithmetic number, because the mean of its divisors is an integer number (13991523).

Almost surely, 2^199020708 is an apocalyptic number.

199020708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

199020708 is an abundant number, since it is smaller than the sum of its proper divisors (304674120).

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

199020708 is a wasteful number, since it uses less digits than its factorization.

199020708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 199020708 is about 14107.4699361721. The cubic root of 199020708 is about 583.8474964587.

The spelling of 199020708 in words is "one hundred ninety-nine million, twenty thousand, seven hundred eight".