1450891 has 8 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 1330752.

The previous prime is 1450877. The next prime is 1450903. The reversal of 1450891 is 1980541.

It is a happy number.

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-1450891 is a prime.

1450891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1450861) 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, 2790 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1450891 is an apocalyptic number.

1450891 is a deficient number, since it is larger than the sum of its proper divisors (121589).

1450891 is a wasteful number, since it uses less digits than its factorization.

1450891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1450891 is about 1204.5293686748. The cubic root of 1450891 is about 113.2082982841.

It can be divided in two parts, 14 and 50891, that added together give a palindrome (50905).

The spelling of 1450891 in words is "one million, four hundred fifty thousand, eight hundred ninety-one".