1985472 has 70 divisors (see below), whose sum is σ = 5900928. Its totient is φ = 660096.

The previous prime is 1985471. The next prime is 1985483. The reversal of 1985472 is 2745891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4993 + ... + 5375.

2^1985472 is an apocalyptic number.

1985472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1985472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2950464).

1985472 is an abundant number, since it is smaller than the sum of its proper divisors (3915456).

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

1985472 is an equidigital number, since it uses as much as digits as its factorization.

1985472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 388 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1985472 is about 1409.0677769362. The cubic root of 1985472 is about 125.6862944370.

It can be divided in two parts, 19 and 85472, that added together give a triangular number (85491 = T₄₁₃).

The spelling of 1985472 in words is "one million, nine hundred eighty-five thousand, four hundred seventy-two".