1806929416 has 8 divisors (see below), whose sum is σ = 3387992670. Its totient is φ = 903464704.

The previous prime is 1806929413. The next prime is 1806929417. The reversal of 1806929416 is 6149296081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1235241316 + 571688100 = 35146^2 + 23910^2 .

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

It is a super-2 number, since 2×1806929416² = 6529987828812202112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1806929413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112933081 + ... + 112933096.

Almost surely, 2^1806929416 is an apocalyptic number.

It is an amenable number.

1806929416 is a deficient number, since it is larger than the sum of its proper divisors (1581063254).

1806929416 is a wasteful number, since it uses less digits than its factorization.

1806929416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225866183 (or 225866179 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1806929416 is about 42507.9923779047. The cubic root of 1806929416 is about 1217.9993672720. Note that the first 3 decimals are identical.

The spelling of 1806929416 in words is "one billion, eight hundred six million, nine hundred twenty-nine thousand, four hundred sixteen".