32320434 has 32 divisors (see below), whose sum is σ = 70044480. Its totient is φ = 9902592.

The previous prime is 32320433. The next prime is 32320459. The reversal of 32320434 is 43402323.

It is a super-2 number, since 2×32320434² = 2089220907896712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32320434.

It is not an unprimeable number, because it can be changed into a prime (32320433) 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, 702 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (2188890).

Almost surely, 2^32320434 is an apocalyptic number.

32320434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

32320434 is an abundant number, since it is smaller than the sum of its proper divisors (37724046).

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

32320434 is a wasteful number, since it uses less digits than its factorization.

32320434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 32320434 is about 5685.1063314594. The cubic root of 32320434 is about 318.5363954508.

Adding to 32320434 its reverse (43402323), we get a palindrome (75722757).

The spelling of 32320434 in words is "thirty-two million, three hundred twenty thousand, four hundred thirty-four".