394411698 has 54 divisors (see below), whose sum is σ = 888900831. Its totient is φ = 126387000.

The previous prime is 394411663. The next prime is 394411727. The reversal of 394411698 is 896114493.

It can be written as a sum of positive squares in only one way, i.e., 197205849 + 197205849 = 14043^2 + 14043^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14043.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2611923 + ... + 2612073.

Almost surely, 2^394411698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394411698

394411698 is an abundant number, since it is smaller than the sum of its proper divisors (494489133).

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

394411698 is a wasteful number, since it uses less digits than its factorization.

394411698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 187 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 394411698 is about 19859.8010564054. The cubic root of 394411698 is about 733.3589487379.

The spelling of 394411698 in words is "three hundred ninety-four million, four hundred eleven thousand, six hundred ninety-eight".