11641764 has 12 divisors (see below), whose sum is σ = 27164144. Its totient is φ = 3880584.

The previous prime is 11641757. The next prime is 11641783. The reversal of 11641764 is 46714611.

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

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, 485062 + ... + 485085.

Almost surely, 2^11641764 is an apocalyptic number.

It is an amenable number.

11641764 is an abundant number, since it is smaller than the sum of its proper divisors (15522380).

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

11641764 is a wasteful number, since it uses less digits than its factorization.

11641764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970154 (or 970152 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 11641764 is about 3412.0029308311. The cubic root of 11641764 is about 226.6415841142.

The spelling of 11641764 in words is "eleven million, six hundred forty-one thousand, seven hundred sixty-four".