394364760 has 128 divisors (see below), whose sum is σ = 1251936000. Its totient is φ = 99104256.

The previous prime is 394364749. The next prime is 394364771. The reversal of 394364760 is 67463493.

It is an interprime number because it is at equal distance from previous prime (394364749) and next prime (394364771).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 612999 + ... + 613641.

It is an arithmetic number, because the mean of its divisors is an integer number (9780750).

Almost surely, 2^394364760 is an apocalyptic number.

394364760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394364760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625968000).

394364760 is an abundant number, since it is smaller than the sum of its proper divisors (857571240).

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

394364760 is a wasteful number, since it uses less digits than its factorization.

394364760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 394364760 is about 19858.6192873523. The cubic root of 394364760 is about 733.3298558145.

The spelling of 394364760 in words is "three hundred ninety-four million, three hundred sixty-four thousand, seven hundred sixty".