1488890 has 24 divisors (see below), whose sum is σ = 2905308. Its totient is φ = 549120.

The previous prime is 1488871. The next prime is 1488901. The reversal of 1488890 is 988841.

It can be written as a sum of positive squares in 6 ways, for example, as 32041 + 1456849 = 179^2 + 1207^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1250 + ... + 2130.

2^1488890 is an apocalyptic number.

1488890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1488890 is a deficient number, since it is larger than the sum of its proper divisors (1416418).

1488890 is a wasteful number, since it uses less digits than its factorization.

1488890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1488890 is about 1220.2008031468. The cubic root of 1488890 is about 114.1881063920.

The spelling of 1488890 in words is "one million, four hundred eighty-eight thousand, eight hundred ninety".