494208090 has 48 divisors (see below), whose sum is σ = 1286090208. Its totient is φ = 131671008.

The previous prime is 494208089. The next prime is 494208097. The reversal of 494208090 is 90802494.

It is a happy number.

494208090 is a `hidden beast` number, since 494 + 2 + 0 + 80 + 90 = 666.

It is not an unprimeable number, because it can be changed into a prime (494208097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153477 + ... + 156663.

It is an arithmetic number, because the mean of its divisors is an integer number (26793546).

Almost surely, 2^494208090 is an apocalyptic number.

494208090 is an abundant number, since it is smaller than the sum of its proper divisors (791882118).

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

494208090 is a wasteful number, since it uses less digits than its factorization.

494208090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 494208090 is about 22230.7914838856. The cubic root of 494208090 is about 790.6239209367.

The spelling of 494208090 in words is "four hundred ninety-four million, two hundred eight thousand, ninety".