32489389 has 2 divisors, whose sum is σ = 32489390. Its totient is φ = 32489388.

The previous prime is 32489383. The next prime is 32489399. The reversal of 32489389 is 98398423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 736164 = 5635^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 32489389 - 2⁵ = 32489357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32489383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16244694 + 16244695.

It is an arithmetic number, because the mean of its divisors is an integer number (16244695).

Almost surely, 2^32489389 is an apocalyptic number.

It is an amenable number.

32489389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32489389 is an equidigital number, since it uses as much as digits as its factorization.

32489389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 32489389 is about 5699.9464032568. The cubic root of 32489389 is about 319.0904805199.

The spelling of 32489389 in words is "thirty-two million, four hundred eighty-nine thousand, three hundred eighty-nine".