32987641 has 4 divisors (see below), whose sum is σ = 33528484. Its totient is φ = 32446800.

The previous prime is 32987623. The next prime is 32987659. The reversal of 32987641 is 14678923.

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

It is an interprime number because it is at equal distance from previous prime (32987623) and next prime (32987659).

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 15523600 = 4179^2 + 3940^2 .

It is a cyclic number.

It is not a de Polignac number, because 32987641 - 2¹³ = 32979449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32987594 and 32987603.

It is not an unprimeable number, because it can be changed into a prime (32927641) 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, 270330 + ... + 270451.

It is an arithmetic number, because the mean of its divisors is an integer number (8382121).

Almost surely, 2^32987641 is an apocalyptic number.

32987641 is the 3633-rd centered pentagonal number.

It is an amenable number.

32987641 is a deficient number, since it is larger than the sum of its proper divisors (540843).

32987641 is an equidigital number, since it uses as much as digits as its factorization.

32987641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540842.

The product of its digits is 72576, while the sum is 40.

The square root of 32987641 is about 5743.4868329265. The cubic root of 32987641 is about 320.7133856595.

The spelling of 32987641 in words is "thirty-two million, nine hundred eighty-seven thousand, six hundred forty-one".