394750923 has 16 divisors (see below), whose sum is σ = 606852096. Its totient is φ = 223574400.

The previous prime is 394750921. The next prime is 394750949. The reversal of 394750923 is 329057493.

It is not a de Polignac number, because 394750923 - 2¹ = 394750921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394750921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80803 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (37928256).

Almost surely, 2^394750923 is an apocalyptic number.

394750923 is a deficient number, since it is larger than the sum of its proper divisors (212101173).

394750923 is a wasteful number, since it uses less digits than its factorization.

394750923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166474.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 394750923 is about 19868.3397142288. The cubic root of 394750923 is about 733.5691372314.

The spelling of 394750923 in words is "three hundred ninety-four million, seven hundred fifty thousand, nine hundred twenty-three".