394401030 has 32 divisors (see below), whose sum is σ = 956327904. Its totient is φ = 104088576.

The previous prime is 394401023. The next prime is 394401047. The reversal of 394401030 is 30104493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64857 + ... + 70676.

It is an arithmetic number, because the mean of its divisors is an integer number (29885247).

Almost surely, 2^394401030 is an apocalyptic number.

394401030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394401030 is an abundant number, since it is smaller than the sum of its proper divisors (561926874).

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

394401030 is a wasteful number, since it uses less digits than its factorization.

394401030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135640.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 394401030 is about 19859.5324718383. The cubic root of 394401030 is about 733.3523367435.

It can be divided in two parts, 39440 and 1030, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 394401030 in words is "three hundred ninety-four million, four hundred one thousand, thirty".