32864431 has 8 divisors (see below), whose sum is σ = 33473664. Its totient is φ = 32260440.

The previous prime is 32864413. The next prime is 32864443. The reversal of 32864431 is 13446823.

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

It is not a de Polignac number, because 32864431 - 2¹⁷ = 32733359 is a prime.

It is a super-2 number, since 2×32864431² = 2160141649907522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32864393 and 32864402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32864231) 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, 12676 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (4184208).

Almost surely, 2^32864431 is an apocalyptic number.

32864431 is a deficient number, since it is larger than the sum of its proper divisors (609233).

32864431 is a wasteful number, since it uses less digits than its factorization.

32864431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621.

The product of its digits is 13824, while the sum is 31.

The square root of 32864431 is about 5732.7507359033. The cubic root of 32864431 is about 320.3135955751.

The spelling of 32864431 in words is "thirty-two million, eight hundred sixty-four thousand, four hundred thirty-one".