538458890 has 8 divisors (see below), whose sum is σ = 969226020. Its totient is φ = 215383552.

The previous prime is 538458889. The next prime is 538458929. The reversal of 538458890 is 98854835.

It can be written as a sum of positive squares in 2 ways, for example, as 528954001 + 9504889 = 22999^2 + 3083^2 .

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

It is a Curzon number.

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, 26922935 + ... + 26922954.

Almost surely, 2^538458890 is an apocalyptic number.

538458890 is a deficient number, since it is larger than the sum of its proper divisors (430767130).

538458890 is a wasteful number, since it uses less digits than its factorization.

538458890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53845896.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 538458890 is about 23204.7169773734. The cubic root of 538458890 is about 813.5498772084.

The spelling of 538458890 in words is "five hundred thirty-eight million, four hundred fifty-eight thousand, eight hundred ninety".