1614989 has 2 divisors, whose sum is σ = 1614990. Its totient is φ = 1614988.

The previous prime is 1614973. The next prime is 1615001. The reversal of 1614989 is 9894161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 697225 = 958^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1614989 - 2⁴ = 1614973 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1614929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 807494 + 807495.

It is an arithmetic number, because the mean of its divisors is an integer number (807495).

2^1614989 is an apocalyptic number.

It is an amenable number.

1614989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1614989 is an equidigital number, since it uses as much as digits as its factorization.

1614989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The square root of 1614989 is about 1270.8221748144. The cubic root of 1614989 is about 117.3248090900.

The spelling of 1614989 in words is "one million, six hundred fourteen thousand, nine hundred eighty-nine".