999452 has 6 divisors (see below), whose sum is σ = 1749048. Its totient is φ = 499724.

The previous prime is 999451. The next prime is 999491. The reversal of 999452 is 254999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124928 + ... + 124935.

It is an arithmetic number, because the mean of its divisors is an integer number (291508).

2⁹⁹⁹⁴⁵² is an apocalyptic number.

It is an amenable number.

999452 is a deficient number, since it is larger than the sum of its proper divisors (749596).

999452 is a wasteful number, since it uses less digits than its factorization.

999452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249867 (or 249865 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 999452 is about 999.7259624517. The cubic root of 999452 is about 99.9817299956.

The spelling of 999452 in words is "nine hundred ninety-nine thousand, four hundred fifty-two".