394834065401 has 8 divisors (see below), whose sum is σ = 395752124040. Its totient is φ = 393917067648.

The previous prime is 394834065389. The next prime is 394834065407. The reversal of 394834065401 is 104560438493.

It can be written as a sum of positive squares in 4 ways, for example, as 24853837801 + 369980227600 = 157651^2 + 608260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 394834065401 - 2¹⁰ = 394834064377 is a prime.

It is a super-2 number, since 2×394834065401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394834065407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482435 + ... + 1011143.

It is an arithmetic number, because the mean of its divisors is an integer number (49469015505).

Almost surely, 2^394834065401 is an apocalyptic number.

It is an amenable number.

394834065401 is a deficient number, since it is larger than the sum of its proper divisors (918058639).

394834065401 is an equidigital number, since it uses as much as digits as its factorization.

394834065401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530443.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 394834065401 in words is "three hundred ninety-four billion, eight hundred thirty-four million, sixty-five thousand, four hundred one".