1842472 has 8 divisors (see below), whose sum is σ = 3454650. Its totient is φ = 921232.

The previous prime is 1842469. The next prime is 1842473. The reversal of 1842472 is 2742481.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 556516 = 1134^2 + 746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1842472.

It is not an unprimeable number, because it can be changed into a prime (1842473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115147 + ... + 115162.

2^1842472 is an apocalyptic number.

It is an amenable number.

1842472 is a deficient number, since it is larger than the sum of its proper divisors (1612178).

1842472 is a wasteful number, since it uses less digits than its factorization.

1842472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230315 (or 230311 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1842472 is about 1357.3768820781. The cubic root of 1842472 is about 122.5933648910.

Subtracting 1842472 from its reverse (2742481), we obtain a palindrome (900009).

It can be divided in two parts, 18424 and 72, that added together give a square (18496 = 136²).

The spelling of 1842472 in words is "one million, eight hundred forty-two thousand, four hundred seventy-two".