208029946 has 4 divisors (see below), whose sum is σ = 312044922. Its totient is φ = 104014972.

The previous prime is 208029919. The next prime is 208029961. The reversal of 208029946 is 649920802.

208029946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147889921 + 60140025 = 12161^2 + 7755^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208029899 and 208029908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52007485 + ... + 52007488.

Almost surely, 2^208029946 is an apocalyptic number.

208029946 is a deficient number, since it is larger than the sum of its proper divisors (104014976).

208029946 is a wasteful number, since it uses less digits than its factorization.

208029946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104014975.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 208029946 is about 14423.2432552460. The cubic root of 208029946 is about 592.5276465822.

The spelling of 208029946 in words is "two hundred eight million, twenty-nine thousand, nine hundred forty-six".