32996643 has 8 divisors (see below), whose sum is σ = 46583568. Its totient is φ = 20703744.

The previous prime is 32996633. The next prime is 32996653. The reversal of 32996643 is 34669923.

It is an interprime number because it is at equal distance from previous prime (32996633) and next prime (32996653).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32996643 - 2⁴ = 32996627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32996595 and 32996604.

It is not an unprimeable number, because it can be changed into a prime (32996633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323446 + ... + 323547.

It is an arithmetic number, because the mean of its divisors is an integer number (5822946).

Almost surely, 2^32996643 is an apocalyptic number.

32996643 is a deficient number, since it is larger than the sum of its proper divisors (13586925).

32996643 is a wasteful number, since it uses less digits than its factorization.

32996643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647013.

The product of its digits is 209952, while the sum is 42.

The square root of 32996643 is about 5744.2704497612. The cubic root of 32996643 is about 320.7425561734.

The spelling of 32996643 in words is "thirty-two million, nine hundred ninety-six thousand, six hundred forty-three".