1000452 has 24 divisors (see below), whose sum is σ = 2350656. Its totient is φ = 331168.

The previous prime is 1000429. The next prime is 1000453. The reversal of 1000452 is 2540001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1000453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (97944).

2^1000452 is an apocalyptic number.

1000452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000452 is an abundant number, since it is smaller than the sum of its proper divisors (1350204).

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

1000452 is a wasteful number, since it uses less digits than its factorization.

1000452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1000452 is about 1000.2259744678. The cubic root of 1000452 is about 100.0150643972.

Adding to 1000452 its reverse (2540001), we get a palindrome (3540453).

The spelling of 1000452 in words is "one million, four hundred fifty-two", and thus it is an aban number.