36261861 has 16 divisors (see below), whose sum is σ = 52651200. Its totient is φ = 22111488.

The previous prime is 36261859. The next prime is 36261881. The reversal of 36261861 is 16816263.

It is not a de Polignac number, because 36261861 - 2¹ = 36261859 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36261811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9316 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (3290700).

Almost surely, 2^36261861 is an apocalyptic number.

It is an amenable number.

36261861 is a deficient number, since it is larger than the sum of its proper divisors (16389339).

36261861 is a wasteful number, since it uses less digits than its factorization.

36261861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21988.

The product of its digits is 10368, while the sum is 33.

The square root of 36261861 is about 6021.7822112727. The cubic root of 36261861 is about 330.9913896562.

The spelling of 36261861 in words is "thirty-six million, two hundred sixty-one thousand, eight hundred sixty-one".