538132494 has 16 divisors (see below), whose sum is σ = 1091009232. Its totient is φ = 176920128.

The previous prime is 538132481. The next prime is 538132513. The reversal of 538132494 is 494231835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613869 + ... + 614744.

It is an arithmetic number, because the mean of its divisors is an integer number (68188077).

Almost surely, 2^538132494 is an apocalyptic number.

538132494 is an abundant number, since it is smaller than the sum of its proper divisors (552876738).

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

538132494 is a wasteful number, since it uses less digits than its factorization.

538132494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228691.

The product of its digits is 103680, while the sum is 39.

The square root of 538132494 is about 23197.6829446391. The cubic root of 538132494 is about 813.3854616250.

The spelling of 538132494 in words is "five hundred thirty-eight million, one hundred thirty-two thousand, four hundred ninety-four".