1086621200 has 240 divisors, whose sum is σ = 3188367360. Its totient is φ = 347804160.

The previous prime is 1086621187. The next prime is 1086621227. The reversal of 1086621200 is 21266801.

It is a self number, because there is not a number n which added to its sum of digits gives 1086621200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3026621 + ... + 3026979.

It is an arithmetic number, because the mean of its divisors is an integer number (13284864).

Almost surely, 2^1086621200 is an apocalyptic number.

1086621200 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 1086621200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594183680).

1086621200 is an abundant number, since it is smaller than the sum of its proper divisors (2101746160).

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

1086621200 is a wasteful number, since it uses less digits than its factorization.

1086621200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1086621200 is about 32963.9378715590. The cubic root of 1086621200 is about 1028.0779816390.

The spelling of 1086621200 in words is "one billion, eighty-six million, six hundred twenty-one thousand, two hundred".