1086444001 has 4 divisors (see below), whose sum is σ = 1086526404. Its totient is φ = 1086361600.

The previous prime is 1086443999. The next prime is 1086444017. The reversal of 1086444001 is 1004446801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 205779025 + 880664976 = 14345^2 + 29676^2 .

It is a 3-Lehmer number, since φ(1086444001) divides (1086444001-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1086444001 - 2¹ = 1086443999 is a prime.

It is a deceptive number, since it divides R_1086444000.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086444091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16480 + ... + 49441.

It is an arithmetic number, because the mean of its divisors is an integer number (271631601).

It is a Poulet number, since it divides 2^1086444000-1.

Almost surely, 2^1086444001 is an apocalyptic number.

1086444001 is the 16481-st decagonal number.

It is an amenable number.

1086444001 is a deficient number, since it is larger than the sum of its proper divisors (82403).

1086444001 is an equidigital number, since it uses as much as digits as its factorization.

1086444001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82402.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1086444001 is about 32961.2499914673. The cubic root of 1086444001 is about 1028.0220945480.

The spelling of 1086444001 in words is "one billion, eighty-six million, four hundred forty-four thousand, one".