1788972 has 24 divisors (see below), whose sum is σ = 4272576. Its totient is φ = 582288.

The previous prime is 1788949. The next prime is 1788973. The reversal of 1788972 is 2798871.

It is not an unprimeable number, because it can be changed into a prime (1788973) 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, 1218 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (178024).

2^1788972 is an apocalyptic number.

1788972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1788972 is an abundant number, since it is smaller than the sum of its proper divisors (2483604).

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

1788972 is a wasteful number, since it uses less digits than its factorization.

1788972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517 (or 3515 counting only the distinct ones).

The product of its digits is 56448, while the sum is 42.

The square root of 1788972 is about 1337.5245792134. The cubic root of 1788972 is about 121.3951066787.

The spelling of 1788972 in words is "one million, seven hundred eighty-eight thousand, nine hundred seventy-two".