494748538 has 16 divisors (see below), whose sum is σ = 779970240. Its totient is φ = 234913536.

The previous prime is 494748523. The next prime is 494748539. The reversal of 494748538 is 835847494.

It is a super-2 number, since 2×494748538² = 489552231706274888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494748539) 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, 32295 + ... + 45082.

It is an arithmetic number, because the mean of its divisors is an integer number (48748140).

Almost surely, 2^494748538 is an apocalyptic number.

494748538 is a deficient number, since it is larger than the sum of its proper divisors (285221702).

494748538 is a wasteful number, since it uses less digits than its factorization.

494748538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77541.

The product of its digits is 3870720, while the sum is 52.

The square root of 494748538 is about 22242.9435552042. The cubic root of 494748538 is about 790.9120151379.

The spelling of 494748538 in words is "four hundred ninety-four million, seven hundred forty-eight thousand, five hundred thirty-eight".