392243004 has 18 divisors (see below), whose sum is σ = 991503240. Its totient is φ = 130747656.

The previous prime is 392243003. The next prime is 392243017. The reversal of 392243004 is 400342293.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×392243004³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392243003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5447784 + ... + 5447855.

Almost surely, 2^392243004 is an apocalyptic number.

It is an amenable number.

392243004 is an abundant number, since it is smaller than the sum of its proper divisors (599260236).

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

392243004 is a wasteful number, since it uses less digits than its factorization.

392243004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10895649 (or 10895644 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 392243004 is about 19805.1257001818. The cubic root of 392243004 is about 732.0123396648.

Adding to 392243004 its reverse (400342293), we get a palindrome (792585297).

The spelling of 392243004 in words is "three hundred ninety-two million, two hundred forty-three thousand, four".