494417420 has 48 divisors (see below), whose sum is σ = 1188183360. Its totient is φ = 169288704.

The previous prime is 494417389. The next prime is 494417423. The reversal of 494417420 is 24714494.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (494417423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129296 + ... + 133064.

It is an arithmetic number, because the mean of its divisors is an integer number (24753820).

Almost surely, 2^494417420 is an apocalyptic number.

It is an amenable number.

494417420 is an abundant number, since it is smaller than the sum of its proper divisors (693765940).

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

494417420 is a wasteful number, since it uses less digits than its factorization.

494417420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4720 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 494417420 is about 22235.4990949158. The cubic root of 494417420 is about 790.7355324537.

The spelling of 494417420 in words is "four hundred ninety-four million, four hundred seventeen thousand, four hundred twenty".