1986072 has 32 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 601760.

The previous prime is 1986071. The next prime is 1986097. The reversal of 1986072 is 2706891.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986071) 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, 3498 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (169290).

2^1986072 is an apocalyptic number.

1986072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1986072 is an abundant number, since it is smaller than the sum of its proper divisors (3431208).

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

1986072 is a wasteful number, since it uses less digits than its factorization.

1986072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543 (or 7539 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1986072 is about 1409.2806675748. The cubic root of 1986072 is about 125.6989537579.

The spelling of 1986072 in words is "one million, nine hundred eighty-six thousand, seventy-two".