394951734 has 64 divisors (see below), whose sum is σ = 897338880. Its totient is φ = 128731680.

The previous prime is 394951709. The next prime is 394951741. The reversal of 394951734 is 437159493.

394951734 is a `hidden beast` number, since 394 + 95 + 173 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 394951734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625599 + ... + 626229.

It is an arithmetic number, because the mean of its divisors is an integer number (14020920).

Almost surely, 2^394951734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394951734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448669440).

394951734 is an abundant number, since it is smaller than the sum of its proper divisors (502387146).

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

394951734 is a wasteful number, since it uses less digits than its factorization.

394951734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 876 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 394951734 is about 19873.3926142468. The cubic root of 394951734 is about 733.6935057650.

The spelling of 394951734 in words is "three hundred ninety-four million, nine hundred fifty-one thousand, seven hundred thirty-four".