1046920805 has 16 divisors (see below), whose sum is σ = 1511345280. Its totient is φ = 680104512.

The previous prime is 1046920799. The next prime is 1046920807. The reversal of 1046920805 is 5080296401.

It is a cyclic number.

It is not a de Polignac number, because 1046920805 - 2⁸ = 1046920549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046920807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786494 + ... + 787823.

It is an arithmetic number, because the mean of its divisors is an integer number (94459080).

Almost surely, 2^1046920805 is an apocalyptic number.

It is an amenable number.

1046920805 is a deficient number, since it is larger than the sum of its proper divisors (464424475).

1046920805 is a wasteful number, since it uses less digits than its factorization.

1046920805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574348.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1046920805 is about 32356.1555967331. The cubic root of 1046920805 is about 1015.4018339868.

The spelling of 1046920805 in words is "one billion, forty-six million, nine hundred twenty thousand, eight hundred five".