538942287 has 8 divisors (see below), whose sum is σ = 773865904. Its totient is φ = 331656768.

The previous prime is 538942267. The next prime is 538942291. The reversal of 538942287 is 782249835.

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

It is not a de Polignac number, because 538942287 - 2⁸ = 538942031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538942207) 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, 6909478 + ... + 6909555.

It is an arithmetic number, because the mean of its divisors is an integer number (96733238).

Almost surely, 2^538942287 is an apocalyptic number.

538942287 is a deficient number, since it is larger than the sum of its proper divisors (234923617).

538942287 is a wasteful number, since it uses less digits than its factorization.

538942287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819049.

The product of its digits is 967680, while the sum is 48.

The square root of 538942287 is about 23215.1305617694. The cubic root of 538942287 is about 813.7932569425.

The spelling of 538942287 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, two hundred eighty-seven".