1086021216 has 192 divisors, whose sum is σ = 3667507200. Its totient is φ = 306229248.

The previous prime is 1086021197. The next prime is 1086021221. The reversal of 1086021216 is 6121206801.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1086021216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476656 + ... + 478928.

It is an arithmetic number, because the mean of its divisors is an integer number (19101600).

Almost surely, 2^1086021216 is an apocalyptic number.

1086021216 is a gapful number since it is divisible by the number (16) 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 1086021216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833753600).

1086021216 is an abundant number, since it is smaller than the sum of its proper divisors (2581485984).

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

1086021216 is a wasteful number, since it uses less digits than its factorization.

1086021216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1086021216 is about 32954.8360032333. The cubic root of 1086021216 is about 1027.8887271244. Note that the first 3 decimals are identical.

The spelling of 1086021216 in words is "one billion, eighty-six million, twenty-one thousand, two hundred sixteen".