394536754 has 4 divisors (see below), whose sum is σ = 591805134. Its totient is φ = 197268376.

The previous prime is 394536679. The next prime is 394536757. The reversal of 394536754 is 457635493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211557025 + 182979729 = 14545^2 + 13527^2 .

It is not an unprimeable number, because it can be changed into a prime (394536757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98634187 + ... + 98634190.

Almost surely, 2^394536754 is an apocalyptic number.

394536754 is a deficient number, since it is larger than the sum of its proper divisors (197268380).

394536754 is a wasteful number, since it uses less digits than its factorization.

394536754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197268379.

The product of its digits is 1360800, while the sum is 46.

The square root of 394536754 is about 19862.9492774865. The cubic root of 394536754 is about 733.4364491822.

The spelling of 394536754 in words is "three hundred ninety-four million, five hundred thirty-six thousand, seven hundred fifty-four".