1456663 has 8 divisors (see below), whose sum is σ = 1587600. Its totient is φ = 1328448.

The previous prime is 1456657. The next prime is 1456667. The reversal of 1456663 is 3666541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1456663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528 + ... + 1786.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

2^1456663 is an apocalyptic number.

1456663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1456663 is a deficient number, since it is larger than the sum of its proper divisors (130937).

1456663 is a wasteful number, since it uses less digits than its factorization.

1456663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its digits is 12960, while the sum is 31.

The square root of 1456663 is about 1206.9229470020. The cubic root of 1456663 is about 113.3582230994.

The spelling of 1456663 in words is "one million, four hundred fifty-six thousand, six hundred sixty-three".