493949394 has 32 divisors (see below), whose sum is σ = 1100450880. Its totient is φ = 164232000.

The previous prime is 493949363. The next prime is 493949411.

493949394 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 493949394.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10249 + ... + 33059.

It is an arithmetic number, because the mean of its divisors is an integer number (34389090).

Almost surely, 2^493949394 is an apocalyptic number.

493949394 is an abundant number, since it is smaller than the sum of its proper divisors (606501486).

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

493949394 is a wasteful number, since it uses less digits than its factorization.

493949394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223 (or 23217 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 493949394 is about 22224.9723059445. The cubic root of 493949394 is about 790.4859446820.

The spelling of 493949394 in words is "four hundred ninety-three million, nine hundred forty-nine thousand, three hundred ninety-four".