1438963 has 2 divisors, whose sum is σ = 1438964. Its totient is φ = 1438962.

The previous prime is 1438961. The next prime is 1438973. The reversal of 1438963 is 3698341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1438963 - 2¹ = 1438961 is a prime.

It is a super-2 number, since 2×1438963² = 4141229030738, which contains 22 as substring.

Together with 1438961, it forms a pair of twin primes.

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

It is not a weakly prime, because it can be changed into another prime (1438961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719481 + 719482.

It is an arithmetic number, because the mean of its divisors is an integer number (719482).

2^1438963 is an apocalyptic number.

1438963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438963 is an equidigital number, since it uses as much as digits as its factorization.

1438963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 1438963 is about 1199.5678388486. The cubic root of 1438963 is about 112.8972098906.

It can be divided in two parts, 1438 and 963, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1438963 in words is "one million, four hundred thirty-eight thousand, nine hundred sixty-three".