32256340 has 48 divisors (see below), whose sum is σ = 70136640. Its totient is φ = 12453120.

The previous prime is 32256331. The next prime is 32256347. The reversal of 32256340 is 4365223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32256347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113839 + ... + 114121.

It is an arithmetic number, because the mean of its divisors is an integer number (1461180).

Almost surely, 2^32256340 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 32256340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35068320).

32256340 is an abundant number, since it is smaller than the sum of its proper divisors (37880300).

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

32256340 is a wasteful number, since it uses less digits than its factorization.

32256340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 32256340 is about 5679.4665242433. The cubic root of 32256340 is about 318.3256950797.

The spelling of 32256340 in words is "thirty-two million, two hundred fifty-six thousand, three hundred forty".