1801416 has 32 divisors (see below), whose sum is σ = 4602240. Its totient is φ = 587328.

The previous prime is 1801411. The next prime is 1801433. The reversal of 1801416 is 6141081.

It is a junction number, because it is equal to n+sod(n) for n = 1801392 and 1801401.

It is not an unprimeable number, because it can be changed into a prime (1801411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 1926.

It is an arithmetic number, because the mean of its divisors is an integer number (143820).

2^1801416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1801416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2301120).

1801416 is an abundant number, since it is smaller than the sum of its proper divisors (2800824).

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

1801416 is a wasteful number, since it uses less digits than its factorization.

1801416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1801416 is about 1342.1683948000. The cubic root of 1801416 is about 121.6759293213.

Adding to 1801416 its reverse (6141081), we get a palindrome (7942497).

It can be divided in two parts, 180 and 1416, that added together give a triangular number (1596 = T₅₆).

The spelling of 1801416 in words is "one million, eight hundred one thousand, four hundred sixteen".