32443661 has 8 divisors (see below), whose sum is σ = 32919744. Its totient is φ = 31970880.

The previous prime is 32443651. The next prime is 32443679. The reversal of 32443661 is 16634423.

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

It is a cyclic number.

It is not a de Polignac number, because 32443661 - 2¹⁴ = 32427277 is a prime.

It is a super-2 number, since 2×32443661² = 2105182278165842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32443651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24170 + ... + 25476.

It is an arithmetic number, because the mean of its divisors is an integer number (4114968).

Almost surely, 2^32443661 is an apocalyptic number.

It is an amenable number.

32443661 is a deficient number, since it is larger than the sum of its proper divisors (476083).

32443661 is a wasteful number, since it uses less digits than its factorization.

32443661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its digits is 10368, while the sum is 29.

The square root of 32443661 is about 5695.9337250358. The cubic root of 32443661 is about 318.9407062812.

The spelling of 32443661 in words is "thirty-two million, four hundred forty-three thousand, six hundred sixty-one".