1930866436 has 6 divisors (see below), whose sum is σ = 3379016270. Its totient is φ = 965433216.

The previous prime is 1930866419. The next prime is 1930866451. The reversal of 1930866436 is 6346680391.

It can be written as a sum of positive squares in only one way, i.e., 1884080836 + 46785600 = 43406^2 + 6840^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241358301 + ... + 241358308.

Almost surely, 2^1930866436 is an apocalyptic number.

It is an amenable number.

1930866436 is a deficient number, since it is larger than the sum of its proper divisors (1448149834).

1930866436 is a wasteful number, since it uses less digits than its factorization.

1930866436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482716613 (or 482716611 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1930866436 is about 43941.6253226937. The cubic root of 1930866436 is about 1245.2333527101.

The spelling of 1930866436 in words is "one billion, nine hundred thirty million, eight hundred sixty-six thousand, four hundred thirty-six".