3239406889 has 2 divisors, whose sum is σ = 3239406890. Its totient is φ = 3239406888.

The previous prime is 3239406887. The next prime is 3239406931. The reversal of 3239406889 is 9886049323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2758350400 + 481056489 = 52520^2 + 21933^2 .

It is a cyclic number.

It is not a de Polignac number, because 3239406889 - 2¹ = 3239406887 is a prime.

Together with 3239406887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3239406883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619703444 + 1619703445.

It is an arithmetic number, because the mean of its divisors is an integer number (1619703445).

Almost surely, 2^3239406889 is an apocalyptic number.

It is an amenable number.

3239406889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3239406889 is an equidigital number, since it uses as much as digits as its factorization.

3239406889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 3239406889 is about 56915.7876955068. The cubic root of 3239406889 is about 1479.6369466492.

The spelling of 3239406889 in words is "three billion, two hundred thirty-nine million, four hundred six thousand, eight hundred eighty-nine".