993542 has 8 divisors (see below), whose sum is σ = 1625832. Its totient is φ = 451600.

The previous prime is 993541. The next prime is 993557. The reversal of 993542 is 245399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 993499 and 993508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22559 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (203229).

2⁹⁹³⁵⁴² is an apocalyptic number.

993542 is a deficient number, since it is larger than the sum of its proper divisors (632290).

993542 is a wasteful number, since it uses less digits than its factorization.

993542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45174.

The product of its digits is 9720, while the sum is 32.

The square root of 993542 is about 996.7657698778. The cubic root of 993542 is about 99.7842682662.

The spelling of 993542 in words is "nine hundred ninety-three thousand, five hundred forty-two".