1486921 has 4 divisors (see below), whose sum is σ = 1565200. Its totient is φ = 1408644.

The previous prime is 1486909. The next prime is 1486943. The reversal of 1486921 is 1296841.

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 1486921 - 2⁹ = 1486409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1486951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39111 + ... + 39148.

It is an arithmetic number, because the mean of its divisors is an integer number (391300).

2^1486921 is an apocalyptic number.

It is an amenable number.

1486921 is a deficient number, since it is larger than the sum of its proper divisors (78279).

1486921 is an equidigital number, since it uses as much as digits as its factorization.

1486921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78278.

The product of its digits is 3456, while the sum is 31.

The square root of 1486921 is about 1219.3937018043. The cubic root of 1486921 is about 114.1377477206.

The spelling of 1486921 in words is "one million, four hundred eighty-six thousand, nine hundred twenty-one".