1966485 has 16 divisors (see below), whose sum is σ = 3248640. Its totient is φ = 1014720.

The previous prime is 1966463. The next prime is 1966493. The reversal of 1966485 is 5846691.

It is not a de Polignac number, because 1966485 - 2⁹ = 1965973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (203040).

2^1966485 is an apocalyptic number.

1966485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1966485 is a deficient number, since it is larger than the sum of its proper divisors (1282155).

1966485 is a wasteful number, since it uses less digits than its factorization.

1966485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268.

The product of its digits is 51840, while the sum is 39.

The square root of 1966485 is about 1402.3141588104. The cubic root of 1966485 is about 125.2843659309.

The spelling of 1966485 in words is "one million, nine hundred sixty-six thousand, four hundred eighty-five".