394371696 has 80 divisors (see below), whose sum is σ = 1068636960. Its totient is φ = 125153280.

The previous prime is 394371671. The next prime is 394371697. The reversal of 394371696 is 696173493.

It is a super-3 number, since 3×394371696³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394371697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99676 + ... + 103556.

It is an arithmetic number, because the mean of its divisors is an integer number (13357962).

Almost surely, 2^394371696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394371696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534318480).

394371696 is an abundant number, since it is smaller than the sum of its proper divisors (674265264).

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

394371696 is a wasteful number, since it uses less digits than its factorization.

394371696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994 (or 3988 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 394371696 is about 19858.7939210819. The cubic root of 394371696 is about 733.3341550037.

The spelling of 394371696 in words is "three hundred ninety-four million, three hundred seventy-one thousand, six hundred ninety-six".