36191964 has 12 divisors (see below), whose sum is σ = 84447944. Its totient is φ = 12063984.

The previous prime is 36191959. The next prime is 36191977. The reversal of 36191964 is 46919163.

36191964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507987 + ... + 1508010.

Almost surely, 2^36191964 is an apocalyptic number.

It is an amenable number.

36191964 is an abundant number, since it is smaller than the sum of its proper divisors (48255980).

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

36191964 is a wasteful number, since it uses less digits than its factorization.

36191964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016004 (or 3016002 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 36191964 is about 6015.9757313340. The cubic root of 36191964 is about 330.7785840125.

The spelling of 36191964 in words is "thirty-six million, one hundred ninety-one thousand, nine hundred sixty-four".