990000542 has 8 divisors (see below), whose sum is σ = 1572353856. Its totient is φ = 465882592.

The previous prime is 990000503. The next prime is 990000547. The reversal of 990000542 is 245000099.

990000542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990000547) 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, 14558798 + ... + 14558865.

It is an arithmetic number, because the mean of its divisors is an integer number (196544232).

Almost surely, 2^990000542 is an apocalyptic number.

990000542 is a deficient number, since it is larger than the sum of its proper divisors (582353314).

990000542 is a wasteful number, since it uses less digits than its factorization.

990000542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29117682.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 990000542 is about 31464.2740580488. The cubic root of 990000542 is about 996.6556752938.

The spelling of 990000542 in words is "nine hundred ninety million, five hundred forty-two", and thus it is an aban number.