394001434 has 4 divisors (see below), whose sum is σ = 591002154. Its totient is φ = 197000716.

The previous prime is 394001411. The next prime is 394001441. The reversal of 394001434 is 434100493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434100493 = 2011 ⋅215863.

It can be written as a sum of positive squares in only one way, i.e., 285779025 + 108222409 = 16905^2 + 10403^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98500357 + ... + 98500360.

Almost surely, 2^394001434 is an apocalyptic number.

394001434 is a deficient number, since it is larger than the sum of its proper divisors (197000720).

394001434 is a wasteful number, since it uses less digits than its factorization.

394001434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197000719.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 394001434 is about 19849.4693631845. The cubic root of 394001434 is about 733.1045824174.

The spelling of 394001434 in words is "three hundred ninety-four million, one thousand, four hundred thirty-four".