392820652 has 72 divisors (see below), whose sum is σ = 826957824. Its totient is φ = 162697248.

The previous prime is 392820629. The next prime is 392820653. The reversal of 392820652 is 256028293.

It is not an unprimeable number, because it can be changed into a prime (392820653) 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 23 ways as a sum of consecutive naturals, for example, 1070173 + ... + 1070539.

Almost surely, 2^392820652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392820652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413478912).

392820652 is an abundant number, since it is smaller than the sum of its proper divisors (434137172).

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

392820652 is a wasteful number, since it uses less digits than its factorization.

392820652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 392820652 is about 19819.7036304784. The cubic root of 392820652 is about 732.3715031234.

The spelling of 392820652 in words is "three hundred ninety-two million, eight hundred twenty thousand, six hundred fifty-two".