1841772 has 24 divisors (see below), whose sum is σ = 4436992. Its totient is φ = 594000.

The previous prime is 1841759. The next prime is 1841779. The reversal of 1841772 is 2771481.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841779) 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, 2104 + ... + 2847.

2^1841772 is an apocalyptic number.

1841772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1841772 is an abundant number, since it is smaller than the sum of its proper divisors (2595220).

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

1841772 is a wasteful number, since it uses less digits than its factorization.

1841772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989 (or 4987 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 1841772 is about 1357.1190073092. The cubic root of 1841772 is about 122.5778375224.

The spelling of 1841772 in words is "one million, eight hundred forty-one thousand, seven hundred seventy-two".