538741998 has 24 divisors (see below), whose sum is σ = 1228710600. Its totient is φ = 170128944.

The previous prime is 538741993. The next prime is 538741999. The reversal of 538741998 is 899147835.

538741998 is a `hidden beast` number, since 538 + 7 + 4 + 19 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538741993) 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 11 ways as a sum of consecutive naturals, for example, 787293 + ... + 787976.

It is an arithmetic number, because the mean of its divisors is an integer number (51196275).

Almost surely, 2^538741998 is an apocalyptic number.

538741998 is an abundant number, since it is smaller than the sum of its proper divisors (689968602).

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

538741998 is a wasteful number, since it uses less digits than its factorization.

538741998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575296 (or 1575293 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 538741998 is about 23210.8164009800. The cubic root of 538741998 is about 813.6924335104.

It can be divided in two parts, 5 and 38741998, that added together give a triangular number (38742003 = T₈₈₀₂).

The spelling of 538741998 in words is "five hundred thirty-eight million, seven hundred forty-one thousand, nine hundred ninety-eight".