494766690 has 64 divisors (see below), whose sum is σ = 1297658880. Its totient is φ = 119733440.

The previous prime is 494766683. The next prime is 494766719. The reversal of 494766690 is 96667494.

It is a super-2 number, since 2×494766690² = 489588155067112200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275977 + ... + 277763.

It is an arithmetic number, because the mean of its divisors is an integer number (20275920).

Almost surely, 2^494766690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494766690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648829440).

494766690 is an abundant number, since it is smaller than the sum of its proper divisors (802892190).

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

494766690 is a wasteful number, since it uses less digits than its factorization.

494766690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 494766690 is about 22243.3515909811. The cubic root of 494766690 is about 790.9216877010.

The spelling of 494766690 in words is "four hundred ninety-four million, seven hundred sixty-six thousand, six hundred ninety".