493078542 has 16 divisors (see below), whose sum is σ = 1075807872. Its totient is φ = 149417720.

The previous prime is 493078513. The next prime is 493078543. The reversal of 493078542 is 245870394.

It is a junction number, because it is equal to n+sod(n) for n = 493078494 and 493078503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493078543) 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, 3735378 + ... + 3735509.

It is an arithmetic number, because the mean of its divisors is an integer number (67237992).

Almost surely, 2^493078542 is an apocalyptic number.

493078542 is an abundant number, since it is smaller than the sum of its proper divisors (582729330).

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

493078542 is a wasteful number, since it uses less digits than its factorization.

493078542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470903.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 493078542 is about 22205.3719176239. The cubic root of 493078542 is about 790.0211189141.

The spelling of 493078542 in words is "four hundred ninety-three million, seventy-eight thousand, five hundred forty-two".