32996340 has 144 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 7951104.

The previous prime is 32996333. The next prime is 32996357. The reversal of 32996340 is 4369923.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 32996295 and 32996304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137941 + ... + 138179.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^32996340 is an apocalyptic number.

32996340 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 32996340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

32996340 is an abundant number, since it is smaller than the sum of its proper divisors (77077260).

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

32996340 is a wasteful number, since it uses less digits than its factorization.

32996340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 32996340 is about 5744.2440755943. The cubic root of 32996340 is about 320.7415744039.

It can be divided in two parts, 329 and 96340, that added together give a palindrome (96669).

The spelling of 32996340 in words is "thirty-two million, nine hundred ninety-six thousand, three hundred forty".