1864968008 has 8 divisors (see below), whose sum is σ = 3496815030. Its totient is φ = 932484000.

The previous prime is 1864967999. The next prime is 1864968103. The reversal of 1864968008 is 8008694681.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1598560324 + 266407684 = 39982^2 + 16322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116560493 + ... + 116560508.

Almost surely, 2^1864968008 is an apocalyptic number.

It is an amenable number.

1864968008 is a deficient number, since it is larger than the sum of its proper divisors (1631847022).

1864968008 is a wasteful number, since it uses less digits than its factorization.

1864968008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233121007 (or 233121003 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 1864968008 is about 43185.2753609376. The cubic root of 1864968008 is about 1230.9029015051.

The spelling of 1864968008 in words is "one billion, eight hundred sixty-four million, nine hundred sixty-eight thousand, eight".