392664043 has 4 divisors (see below), whose sum is σ = 392941408. Its totient is φ = 392386680.

The previous prime is 392664029. The next prime is 392664047. The reversal of 392664043 is 340466293.

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

It is a cyclic number.

It is not a de Polignac number, because 392664043 - 2¹⁷ = 392532971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 392663993 and 392664011.

It is not an unprimeable number, because it can be changed into a prime (392664047) 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 3 ways as a sum of consecutive naturals, for example, 136548 + ... + 139393.

It is an arithmetic number, because the mean of its divisors is an integer number (98235352).

Almost surely, 2^392664043 is an apocalyptic number.

392664043 is a deficient number, since it is larger than the sum of its proper divisors (277365).

392664043 is a wasteful number, since it uses less digits than its factorization.

392664043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277364.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 392664043 is about 19815.7523955060. The cubic root of 392664043 is about 732.2741633545.

The spelling of 392664043 in words is "three hundred ninety-two million, six hundred sixty-four thousand, forty-three".