612538098 has 8 divisors (see below), whose sum is σ = 1225076208. Its totient is φ = 204179364.

The previous prime is 612538079. The next prime is 612538099. The reversal of 612538098 is 890835216.

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

612538098 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (612538099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51044836 + ... + 51044847.

It is an arithmetic number, because the mean of its divisors is an integer number (153134526).

Almost surely, 2^612538098 is an apocalyptic number.

612538098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612538098 is a wasteful number, since it uses less digits than its factorization.

612538098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102089688.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 612538098 is about 24749.5070253935. The cubic root of 612538098 is about 849.2672337625.

The spelling of 612538098 in words is "six hundred twelve million, five hundred thirty-eight thousand, ninety-eight".