1439963 has 6 divisors (see below), whose sum is σ = 1675116. Its totient is φ = 1234212.

The previous prime is 1439947. The next prime is 1439969. The reversal of 1439963 is 3699341.

It is not a de Polignac number, because 1439963 - 2⁴ = 1439947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1439969) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14645 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (279186).

2^1439963 is an apocalyptic number.

1439963 is a deficient number, since it is larger than the sum of its proper divisors (235153).

1439963 is an equidigital number, since it uses as much as digits as its factorization.

1439963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29401 (or 29394 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 1439963 is about 1199.9845832343. The cubic root of 1439963 is about 112.9233562815.

The spelling of 1439963 in words is "one million, four hundred thirty-nine thousand, nine hundred sixty-three".