999993452 has 12 divisors (see below), whose sum is σ = 1752461760. Its totient is φ = 499290096.

The previous prime is 999993439. The next prime is 999993461. The reversal of 999993452 is 254399999.

It is a junction number, because it is equal to n+sod(n) for n = 999993391 and 999993400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173468 + ... + 179139.

It is an arithmetic number, because the mean of its divisors is an integer number (146038480).

Almost surely, 2^999993452 is an apocalyptic number.

It is an amenable number.

999993452 is a deficient number, since it is larger than the sum of its proper divisors (752468308).

999993452 is a wasteful number, since it uses less digits than its factorization.

999993452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353320 (or 353318 counting only the distinct ones).

The product of its digits is 7085880, while the sum is 59.

The square root of 999993452 is about 31622.6730685437. The cubic root of 999993452 is about 999.9978173286.

The spelling of 999993452 in words is "nine hundred ninety-nine million, nine hundred ninety-three thousand, four hundred fifty-two".