1046646980 has 24 divisors (see below), whose sum is σ = 2210109720. Its totient is φ = 416344320.

The previous prime is 1046646959. The next prime is 1046647001. The reversal of 1046646980 is 896466401.

It is an interprime number because it is at equal distance from previous prime (1046646959) and next prime (1046647001).

It can be written as a sum of positive squares in 4 ways, for example, as 13410244 + 1033236736 = 3662^2 + 32144^2 .

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, 140945 + ... + 148184.

It is an arithmetic number, because the mean of its divisors is an integer number (92087905).

Almost surely, 2^1046646980 is an apocalyptic number.

1046646980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1046646980 is an abundant number, since it is smaller than the sum of its proper divisors (1163462740).

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

1046646980 is a wasteful number, since it uses less digits than its factorization.

1046646980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289319 (or 289317 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1046646980 is about 32351.9238995148. The cubic root of 1046646980 is about 1015.3132992252.

The spelling of 1046646980 in words is "one billion, forty-six million, six hundred forty-six thousand, nine hundred eighty".