1000879200 has 144 divisors (see below), whose sum is σ = 3619924560. Its totient is φ = 266895360.

The previous prime is 1000879183. The next prime is 1000879213. The reversal of 1000879200 is 29780001.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1569 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (25138365).

Almost surely, 2^1000879200 is an apocalyptic number.

1000879200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000879200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809962280).

1000879200 is an abundant number, since it is smaller than the sum of its proper divisors (2619045360).

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

1000879200 is a wasteful number, since it uses less digits than its factorization.

1000879200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46366 (or 46347 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1000879200 is about 31636.6749200987. The cubic root of 1000879200 is about 1000.2929808205.

The spelling of 1000879200 in words is "one billion, eight hundred seventy-nine thousand, two hundred".