2084699906 has 4 divisors (see below), whose sum is σ = 3127049862. Its totient is φ = 1042349952.

The previous prime is 2084699891. The next prime is 2084699927. The reversal of 2084699906 is 6099964802.

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., 1931163025 + 153536881 = 43945^2 + 12391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521174975 + ... + 521174978.

Almost surely, 2^2084699906 is an apocalyptic number.

2084699906 is a deficient number, since it is larger than the sum of its proper divisors (1042349956).

2084699906 is a wasteful number, since it uses less digits than its factorization.

2084699906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042349955.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 2084699906 is about 45658.5140581688. The cubic root of 2084699906 is about 1277.4615842912.

The spelling of 2084699906 in words is "two billion, eighty-four million, six hundred ninety-nine thousand, nine hundred six".