845411690 has 16 divisors (see below), whose sum is σ = 1587904128. Its totient is φ = 323461776.

The previous prime is 845411687. The next prime is 845411711. The reversal of 845411690 is 96114548.

It is a super-2 number, since 2×845411690² = 1429441851177312200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837622 + ... + 1838081.

It is an arithmetic number, because the mean of its divisors is an integer number (99244008).

Almost surely, 2^845411690 is an apocalyptic number.

845411690 is a deficient number, since it is larger than the sum of its proper divisors (742492438).

845411690 is a wasteful number, since it uses less digits than its factorization.

845411690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675733.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 845411690 is about 29075.9641284687. The cubic root of 845411690 is about 945.5607060364.

The spelling of 845411690 in words is "eight hundred forty-five million, four hundred eleven thousand, six hundred ninety".