32011434 has 48 divisors (see below), whose sum is σ = 85368192. Its totient is φ = 8442144.

The previous prime is 32011433. The next prime is 32011439. The reversal of 32011434 is 43411023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32011433) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8134 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (1778504).

Almost surely, 2^32011434 is an apocalyptic number.

32011434 is an abundant number, since it is smaller than the sum of its proper divisors (53356758).

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

32011434 is a wasteful number, since it uses less digits than its factorization.

32011434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19571 (or 19568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 32011434 is about 5657.8647915976. The cubic root of 32011434 is about 317.5180191067.

Adding to 32011434 its reverse (43411023), we get a palindrome (75422457).

The spelling of 32011434 in words is "thirty-two million, eleven thousand, four hundred thirty-four".