394664610 has 16 divisors (see below), whose sum is σ = 947195136. Its totient is φ = 105243888.

The previous prime is 394664609. The next prime is 394664651. The reversal of 394664610 is 16466493.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6577714 + ... + 6577773.

It is an arithmetic number, because the mean of its divisors is an integer number (59199696).

Almost surely, 2^394664610 is an apocalyptic number.

394664610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394664610 is an abundant number, since it is smaller than the sum of its proper divisors (552530526).

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

394664610 is a wasteful number, since it uses less digits than its factorization.

394664610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155497.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 394664610 is about 19866.1674713569. The cubic root of 394664610 is about 733.5156679300.

The spelling of 394664610 in words is "three hundred ninety-four million, six hundred sixty-four thousand, six hundred ten".