32314140 has 144 divisors (see below), whose sum is σ = 104264160. Its totient is φ = 8398080.

The previous prime is 32314133. The next prime is 32314147. The reversal of 32314140 is 4141323.

It is an interprime number because it is at equal distance from previous prime (32314133) and next prime (32314147).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32314147) 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 47 ways as a sum of consecutive naturals, for example, 296406 + ... + 296514.

Almost surely, 2^32314140 is an apocalyptic number.

32314140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32314140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52132080).

32314140 is an abundant number, since it is smaller than the sum of its proper divisors (71950020).

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

32314140 is a wasteful number, since it uses less digits than its factorization.

32314140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 180 counting only the distinct ones).

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

The square root of 32314140 is about 5684.5527528558. The cubic root of 32314140 is about 318.5157171164.

Adding to 32314140 its reverse (4141323), we get a palindrome (36455463).

The spelling of 32314140 in words is "thirty-two million, three hundred fourteen thousand, one hundred forty".