392494071 has 4 divisors (see below), whose sum is σ = 523325432. Its totient is φ = 261662712.

The previous prime is 392494031. The next prime is 392494073. The reversal of 392494071 is 170494293.

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

It is not a de Polignac number, because 392494071 - 2⁹ = 392493559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392494073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65415676 + ... + 65415681.

It is an arithmetic number, because the mean of its divisors is an integer number (130831358).

Almost surely, 2^392494071 is an apocalyptic number.

392494071 is a deficient number, since it is larger than the sum of its proper divisors (130831361).

392494071 is a wasteful number, since it uses less digits than its factorization.

392494071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130831360.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 392494071 is about 19811.4631211327. The cubic root of 392494071 is about 732.1684885673.

The spelling of 392494071 in words is "three hundred ninety-two million, four hundred ninety-four thousand, seventy-one".