2011432 has 8 divisors (see below), whose sum is σ = 3771450. Its totient is φ = 1005712.

The previous prime is 2011417. The next prime is 2011439. The reversal of 2011432 is 2341102.

It can be written as a sum of positive squares in only one way, i.e., 1976836 + 34596 = 1406^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2011439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125707 + ... + 125722.

2^2011432 is an apocalyptic number.

It is an amenable number.

2011432 is a deficient number, since it is larger than the sum of its proper divisors (1760018).

2011432 is a wasteful number, since it uses less digits than its factorization.

2011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251435 (or 251431 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2011432 is about 1418.2496254186. The cubic root of 2011432 is about 126.2317060053.

Adding to 2011432 its reverse (2341102), we get a palindrome (4352534).

The spelling of 2011432 in words is "two million, eleven thousand, four hundred thirty-two".