36001864 has 8 divisors (see below), whose sum is σ = 67503510. Its totient is φ = 18000928.

The previous prime is 36001853. The next prime is 36001883. The reversal of 36001864 is 46810063.

It can be written as a sum of positive squares in only one way, i.e., 35497764 + 504100 = 5958^2 + 710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×36001864³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2250109 + ... + 2250124.

Almost surely, 2^36001864 is an apocalyptic number.

It is an amenable number.

36001864 is a deficient number, since it is larger than the sum of its proper divisors (31501646).

36001864 is a wasteful number, since it uses less digits than its factorization.

36001864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500239 (or 4500235 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 36001864 is about 6000.1553313227. The cubic root of 36001864 is about 330.1984236730.

The spelling of 36001864 in words is "thirty-six million, one thousand, eight hundred sixty-four".