923774394 has 16 divisors (see below), whose sum is σ = 1907147520. Its totient is φ = 297991680.

The previous prime is 923774393. The next prime is 923774399. The reversal of 923774394 is 493477329.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (923774393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483079 + ... + 2483450.

It is an arithmetic number, because the mean of its divisors is an integer number (119196720).

Almost surely, 2^923774394 is an apocalyptic number.

923774394 is an abundant number, since it is smaller than the sum of its proper divisors (983373126).

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

923774394 is a wasteful number, since it uses less digits than its factorization.

923774394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966565.

The product of its digits is 1143072, while the sum is 48.

The square root of 923774394 is about 30393.6571343430. The cubic root of 923774394 is about 973.9170598110.

The spelling of 923774394 in words is "nine hundred twenty-three million, seven hundred seventy-four thousand, three hundred ninety-four".