1046929920 has 80 divisors (see below), whose sum is σ = 3346928640. Its totient is φ = 279179264.

The previous prime is 1046929913. The next prime is 1046929993. The reversal of 1046929920 is 299296401.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60480 + ... + 75839.

It is an arithmetic number, because the mean of its divisors is an integer number (41836608).

Almost surely, 2^1046929920 is an apocalyptic number.

1046929920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1046929920 is an abundant number, since it is smaller than the sum of its proper divisors (2299998720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1046929920 is an equidigital number, since it uses as much as digits as its factorization.

1046929920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136345 (or 136329 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1046929920 is about 32356.2964506138. The cubic root of 1046929920 is about 1015.4047808385.

The spelling of 1046929920 in words is "one billion, forty-six million, nine hundred twenty-nine thousand, nine hundred twenty".