270406889 has 2 divisors, whose sum is σ = 270406890. Its totient is φ = 270406888.

The previous prime is 270406861. The next prime is 270406921. The reversal of 270406889 is 988604072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265038400 + 5368489 = 16280^2 + 2317^2 .

It is a cyclic number.

It is not a de Polignac number, because 270406889 - 2¹⁶ = 270341353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (270406289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135203444 + 135203445.

It is an arithmetic number, because the mean of its divisors is an integer number (135203445).

Almost surely, 2^270406889 is an apocalyptic number.

It is an amenable number.

270406889 is a deficient number, since it is larger than the sum of its proper divisors (1).

270406889 is an equidigital number, since it uses as much as digits as its factorization.

270406889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 270406889 is about 16444.0533020299. The cubic root of 270406889 is about 646.6549165624.

The spelling of 270406889 in words is "two hundred seventy million, four hundred six thousand, eight hundred eighty-nine".