32061989 has 4 divisors (see below), whose sum is σ = 32073324. Its totient is φ = 32050656.

The previous prime is 32061971. The next prime is 32062003. The reversal of 32061989 is 98916023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24581764 + 7480225 = 4958^2 + 2735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32061989 is a prime.

It is a super-2 number, since 2×32061989² = 2055942277272242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32061929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489 + ... + 8385.

It is an arithmetic number, because the mean of its divisors is an integer number (8018331).

Almost surely, 2^32061989 is an apocalyptic number.

It is an amenable number.

32061989 is a deficient number, since it is larger than the sum of its proper divisors (11335).

32061989 is an equidigital number, since it uses as much as digits as its factorization.

32061989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 32061989 is about 5662.3307038710. The cubic root of 32061989 is about 317.6850810863.

The spelling of 32061989 in words is "thirty-two million, sixty-one thousand, nine hundred eighty-nine".