32340991 has 4 divisors (see below), whose sum is σ = 32573800. Its totient is φ = 32108184.

The previous prime is 32340989. The next prime is 32341007. The reversal of 32340991 is 19904323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32340991 - 2¹ = 32340989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32340961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116196 + ... + 116473.

It is an arithmetic number, because the mean of its divisors is an integer number (8143450).

Almost surely, 2^32340991 is an apocalyptic number.

32340991 is a deficient number, since it is larger than the sum of its proper divisors (232809).

32340991 is a wasteful number, since it uses less digits than its factorization.

32340991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232808.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 32340991 is about 5686.9140137688. The cubic root of 32340991 is about 318.6039148090.

It can be divided in two parts, 323 and 40991, that added together give a palindrome (41314).

The spelling of 32340991 in words is "thirty-two million, three hundred forty thousand, nine hundred ninety-one".