392648 has 8 divisors (see below), whose sum is σ = 736230. Its totient is φ = 196320.

The previous prime is 392647. The next prime is 392663. The reversal of 392648 is 846293.

It can be written as a sum of positive squares in only one way, i.e., 334084 + 58564 = 578^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (392647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24533 + ... + 24548.

2³⁹²⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

392648 is a deficient number, since it is larger than the sum of its proper divisors (343582).

392648 is a wasteful number, since it uses less digits than its factorization.

392648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49087 (or 49083 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 392648 is about 626.6163100335. The cubic root of 392648 is about 73.2264190423.

It can be divided in two parts, 392 and 648, that multiplied together give a square (254016 = 504²).

The spelling of 392648 in words is "three hundred ninety-two thousand, six hundred forty-eight".