36271644 has 48 divisors (see below), whose sum is σ = 89171712. Its totient is φ = 11452672.

The previous prime is 36271601. The next prime is 36271783. The reversal of 36271644 is 44617263.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30607 + ... + 31769.

It is an arithmetic number, because the mean of its divisors is an integer number (1857744).

Almost surely, 2^36271644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36271644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44585856).

36271644 is an abundant number, since it is smaller than the sum of its proper divisors (52900068).

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

36271644 is a wasteful number, since it uses less digits than its factorization.

36271644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 36271644 is about 6022.5944575407. The cubic root of 36271644 is about 331.0211527693.

The spelling of 36271644 in words is "thirty-six million, two hundred seventy-one thousand, six hundred forty-four".