1946240 has 32 divisors (see below), whose sum is σ = 4654260. Its totient is φ = 778240.

The previous prime is 1946209. The next prime is 1946257. The reversal of 1946240 is 426491.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 118336 = 1352^2 + 344^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 2160.

2^1946240 is an apocalyptic number.

1946240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1946240 is an abundant number, since it is smaller than the sum of its proper divisors (2708020).

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

1946240 is an equidigital number, since it uses as much as digits as its factorization.

1946240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1946240 is about 1395.0770588036. The cubic root of 1946240 is about 124.8529470713.

The spelling of 1946240 in words is "one million, nine hundred forty-six thousand, two hundred forty".