1488921 has 8 divisors (see below), whose sum is σ = 2268864. Its totient is φ = 850800.

The previous prime is 1488901. The next prime is 1488931. The reversal of 1488921 is 1298841.

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

It is not a de Polignac number, because 1488921 - 2⁶ = 1488857 is a prime.

1488921 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1488901) 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, 35430 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (283608).

2^1488921 is an apocalyptic number.

It is an amenable number.

1488921 is a deficient number, since it is larger than the sum of its proper divisors (779943).

1488921 is an equidigital number, since it uses as much as digits as its factorization.

1488921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70911.

The product of its digits is 4608, while the sum is 33.

The square root of 1488921 is about 1220.2135059079. The cubic root of 1488921 is about 114.1888988854.

The spelling of 1488921 in words is "one million, four hundred eighty-eight thousand, nine hundred twenty-one".