394343492 has 48 divisors (see below), whose sum is σ = 748077120. Its totient is φ = 181204992.

The previous prime is 394343483. The next prime is 394343501. The reversal of 394343492 is 294343493.

It is an interprime number because it is at equal distance from previous prime (394343483) and next prime (394343501).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910508 + ... + 910940.

It is an arithmetic number, because the mean of its divisors is an integer number (15584940).

Almost surely, 2^394343492 is an apocalyptic number.

It is an amenable number.

394343492 is a deficient number, since it is larger than the sum of its proper divisors (353733628).

394343492 is a wasteful number, since it uses less digits than its factorization.

394343492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 279936, while the sum is 41.

The square root of 394343492 is about 19858.0837947673. The cubic root of 394343492 is about 733.3166728079.

Subtracting from 394343492 its reverse (294343493), we obtain a palindrome (99999999).

The spelling of 394343492 in words is "three hundred ninety-four million, three hundred forty-three thousand, four hundred ninety-two".