1406089 has 2 divisors, whose sum is σ = 1406090. Its totient is φ = 1406088.

The previous prime is 1406081. The next prime is 1406101. The reversal of 1406089 is 9806041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1392400 + 13689 = 1180^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406089 - 2³ = 1406081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1406081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703044 + 703045.

It is an arithmetic number, because the mean of its divisors is an integer number (703045).

2^1406089 is an apocalyptic number.

It is an amenable number.

1406089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406089 is an equidigital number, since it uses as much as digits as its factorization.

1406089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1406089 is about 1185.7862370596. The cubic root of 1406089 is about 112.0308429087.

The spelling of 1406089 in words is "one million, four hundred six thousand, eighty-nine".