1485890 has 16 divisors (see below), whose sum is σ = 3056832. Its totient is φ = 509424.

The previous prime is 1485889. The next prime is 1485917. The reversal of 1485890 is 985841.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1485890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10544 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (191052).

2^1485890 is an apocalyptic number.

1485890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1485890 is an abundant number, since it is smaller than the sum of its proper divisors (1570942).

1485890 is a wasteful number, since it uses less digits than its factorization.

1485890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1485890 is about 1218.9708774208. The cubic root of 1485890 is about 114.1113613767. Note that the first 3 decimals are identical.

The spelling of 1485890 in words is "one million, four hundred eighty-five thousand, eight hundred ninety".