394274244 has 192 divisors, whose sum is σ = 1232322560. Its totient is φ = 95178240.

The previous prime is 394274201. The next prime is 394274273. The reversal of 394274244 is 442472493.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 642882 + ... + 643494.

Almost surely, 2^394274244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394274244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616161280).

394274244 is an abundant number, since it is smaller than the sum of its proper divisors (838048316).

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

394274244 is a wasteful number, since it uses less digits than its factorization.

394274244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 394274244 is about 19856.3401461599. The cubic root of 394274244 is about 733.2737460307.

The spelling of 394274244 in words is "three hundred ninety-four million, two hundred seventy-four thousand, two hundred forty-four".