1439701 has 2 divisors, whose sum is σ = 1439702. Its totient is φ = 1439700.

The previous prime is 1439699. The next prime is 1439717. The reversal of 1439701 is 1079341.

1439701 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1153476 + 286225 = 1074^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1439701 - 2¹ = 1439699 is a prime.

Together with 1439699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1439791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719850 + 719851.

It is an arithmetic number, because the mean of its divisors is an integer number (719851).

2^1439701 is an apocalyptic number.

It is an amenable number.

1439701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1439701 is an equidigital number, since it uses as much as digits as its factorization.

1439701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1439701 is about 1199.8754101989. The cubic root of 1439701 is about 112.9165070977.

The spelling of 1439701 in words is "one million, four hundred thirty-nine thousand, seven hundred one".