1456385 has 8 divisors (see below), whose sum is σ = 1997376. Its totient is φ = 998640.

The previous prime is 1456381. The next prime is 1456391. The reversal of 1456385 is 5836541.

It is a happy number.

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

It is not a de Polignac number, because 1456385 - 2² = 1456381 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20771 + ... + 20840.

It is an arithmetic number, because the mean of its divisors is an integer number (249672).

2^1456385 is an apocalyptic number.

It is an amenable number.

1456385 is a deficient number, since it is larger than the sum of its proper divisors (540991).

1456385 is an equidigital number, since it uses as much as digits as its factorization.

1456385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41623.

The product of its digits is 14400, while the sum is 32.

The square root of 1456385 is about 1206.8077725968. The cubic root of 1456385 is about 113.3510112755.

The spelling of 1456385 in words is "one million, four hundred fifty-six thousand, three hundred eighty-five".