1468981 has 4 divisors (see below), whose sum is σ = 1476864. Its totient is φ = 1461100.

The previous prime is 1468969. The next prime is 1469047. The reversal of 1468981 is 1898641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1468981 - 2⁵ = 1468949 is a prime.

It is a super-2 number, since 2×1468981² = 4315810356722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1468981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468921) 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 3 ways as a sum of consecutive naturals, for example, 3655 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (369216).

2^1468981 is an apocalyptic number.

It is an amenable number.

1468981 is a deficient number, since it is larger than the sum of its proper divisors (7883).

1468981 is an equidigital number, since it uses as much as digits as its factorization.

1468981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its digits is 13824, while the sum is 37.

The square root of 1468981 is about 1212.0152639303. The cubic root of 1468981 is about 113.6768575393.

Subtracting from 1468981 its sum of digits (37), we obtain a square (1468944 = 1212²).

The spelling of 1468981 in words is "one million, four hundred sixty-eight thousand, nine hundred eighty-one".