1840016 has 10 divisors (see below), whose sum is σ = 3565062. Its totient is φ = 920000.

The previous prime is 1839997. The next prime is 1840019. The reversal of 1840016 is 6100481.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 409600 = 1196^2 + 640^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1840016.

It is not an unprimeable number, because it can be changed into a prime (1840019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57485 + ... + 57516.

2^1840016 is an apocalyptic number.

1840016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1840016 is a deficient number, since it is larger than the sum of its proper divisors (1725046).

1840016 is a wasteful number, since it uses less digits than its factorization.

1840016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115009 (or 115003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1840016 is about 1356.4718942905. The cubic root of 1840016 is about 122.5388686876.

Adding to 1840016 its reverse (6100481), we get a palindrome (7940497).

The spelling of 1840016 in words is "one million, eight hundred forty thousand, sixteen".