1840672 has 24 divisors (see below), whose sum is σ = 3667356. Its totient is φ = 909312.

The previous prime is 1840669. The next prime is 1840673. The reversal of 1840672 is 2760481.

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 1936 = 1356^2 + 44^2 .

It is a super-3 number, since 3×1840672³ = 18708995587941433344, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1840672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808 + ... + 3400.

2^1840672 is an apocalyptic number.

It is an amenable number.

1840672 is a deficient number, since it is larger than the sum of its proper divisors (1826684).

1840672 is an equidigital number, since it uses as much as digits as its factorization.

1840672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1840672 is about 1356.7136764992. The cubic root of 1840672 is about 122.5534294209.

The spelling of 1840672 in words is "one million, eight hundred forty thousand, six hundred seventy-two".