1649130 has 32 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 376896.

The previous prime is 1649129. The next prime is 1649147. The reversal of 1649130 is 319461.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1649130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1649130 is an apocalyptic number.

1649130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1649130 is an abundant number, since it is smaller than the sum of its proper divisors (2874774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1649130 is a wasteful number, since it uses less digits than its factorization.

1649130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1649130 is about 1284.1845661742. The cubic root of 1649130 is about 118.1458027247.

The spelling of 1649130 in words is "one million, six hundred forty-nine thousand, one hundred thirty".