32434240 has 56 divisors (see below), whose sum is σ = 78272640. Its totient is φ = 12799488.

The previous prime is 32434219. The next prime is 32434271. The reversal of 32434240 is 4243423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24639 + ... + 25921.

Almost surely, 2^32434240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32434240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39136320).

32434240 is an abundant number, since it is smaller than the sum of its proper divisors (45838400).

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

32434240 is a wasteful number, since it uses less digits than its factorization.

32434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 32434240 is about 5695.1066715207. The cubic root of 32434240 is about 318.9098319266.

Adding to 32434240 its reverse (4243423), we get a palindrome (36677663).

The spelling of 32434240 in words is "thirty-two million, four hundred thirty-four thousand, two hundred forty".