538987069 has 8 divisors (see below), whose sum is σ = 570540960. Its totient is φ = 508297776.

The previous prime is 538987063. The next prime is 538987093. The reversal of 538987069 is 960789835.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 538987069 - 2⁷ = 538986941 is a prime.

It is a super-2 number, since 2×538987069² = 581014121098421522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538987063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214867 + ... + 217360.

It is an arithmetic number, because the mean of its divisors is an integer number (71317620).

Almost surely, 2^538987069 is an apocalyptic number.

It is an amenable number.

538987069 is a deficient number, since it is larger than the sum of its proper divisors (31553891).

538987069 is a wasteful number, since it uses less digits than its factorization.

538987069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432299.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 538987069 is about 23216.0950420177. The cubic root of 538987069 is about 813.8157963257.

The spelling of 538987069 in words is "five hundred thirty-eight million, nine hundred eighty-seven thousand, sixty-nine".