394880734 has 8 divisors (see below), whose sum is σ = 592412328. Its totient is φ = 197409960.

The previous prime is 394880701. The next prime is 394880753. The reversal of 394880734 is 437088493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8289 + ... + 29299.

It is an arithmetic number, because the mean of its divisors is an integer number (74051541).

Almost surely, 2^394880734 is an apocalyptic number.

394880734 is a deficient number, since it is larger than the sum of its proper divisors (197531594).

394880734 is a wasteful number, since it uses less digits than its factorization.

394880734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30410.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 394880734 is about 19871.6062259698. The cubic root of 394880734 is about 733.6495380627.

It can be divided in two parts, 394 and 880734, that added together give a triangular number (881128 = T₁₃₂₇).

The spelling of 394880734 in words is "three hundred ninety-four million, eight hundred eighty thousand, seven hundred thirty-four".