36261638 has 8 divisors (see below), whose sum is σ = 62162832. Its totient is φ = 15540696.

The previous prime is 36261623. The next prime is 36261647. The reversal of 36261638 is 83616263.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 36261598 and 36261607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295045 + ... + 1295072.

It is an arithmetic number, because the mean of its divisors is an integer number (7770354).

Almost surely, 2^36261638 is an apocalyptic number.

36261638 is a deficient number, since it is larger than the sum of its proper divisors (25901194).

36261638 is a wasteful number, since it uses less digits than its factorization.

36261638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590126.

The product of its digits is 31104, while the sum is 35.

The square root of 36261638 is about 6021.7636951312. The cubic root of 36261638 is about 330.9907111543.

The spelling of 36261638 in words is "thirty-six million, two hundred sixty-one thousand, six hundred thirty-eight".