1439085 has 16 divisors (see below), whose sum is σ = 2318976. Its totient is φ = 762048.

The previous prime is 1439077. The next prime is 1439089. The reversal of 1439085 is 5809341.

1439085 = T₅₆₁ + T₅₆₂ + ... + T₅₆₉.

It is not a de Polignac number, because 1439085 - 2³ = 1439077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712 + ... + 3198.

It is an arithmetic number, because the mean of its divisors is an integer number (144936).

2^1439085 is an apocalyptic number.

1439085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1439085 is a deficient number, since it is larger than the sum of its proper divisors (879891).

1439085 is a wasteful number, since it uses less digits than its factorization.

1439085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1439085 is about 1199.6186894176. The cubic root of 1439085 is about 112.9004003989.

The spelling of 1439085 in words is "one million, four hundred thirty-nine thousand, eighty-five".