32461340 has 48 divisors (see below), whose sum is σ = 72140544. Its totient is φ = 12249600.

The previous prime is 32461307. The next prime is 32461343. The reversal of 32461340 is 4316423.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32461343) 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, 24782 + ... + 26058.

It is an arithmetic number, because the mean of its divisors is an integer number (1502928).

Almost surely, 2^32461340 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 32461340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36070272).

32461340 is an abundant number, since it is smaller than the sum of its proper divisors (39679204).

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

32461340 is a wasteful number, since it uses less digits than its factorization.

32461340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 32461340 is about 5697.4854102490. The cubic root of 32461340 is about 318.9986274971.

Adding to 32461340 its reverse (4316423), we get a palindrome (36777763).

The spelling of 32461340 in words is "thirty-two million, four hundred sixty-one thousand, three hundred forty".