1392548328 has 64 divisors (see below), whose sum is σ = 3882124800. Its totient is φ = 462510720.

The previous prime is 1392548327. The next prime is 1392548329. The reversal of 1392548328 is 8238452931.

1392548328 is a `hidden beast` number, since 13 + 92 + 548 + 3 + 2 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1392548327) and next prime (1392548329).

It is not an unprimeable number, because it can be changed into a prime (1392548327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49225 + ... + 72167.

It is an arithmetic number, because the mean of its divisors is an integer number (60658200).

Almost surely, 2^1392548328 is an apocalyptic number.

1392548328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392548328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1941062400).

1392548328 is an abundant number, since it is smaller than the sum of its proper divisors (2489576472).

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

1392548328 is a wasteful number, since it uses less digits than its factorization.

1392548328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23239 (or 23229 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 1392548328 is about 37316.8638553671. The cubic root of 1392548328 is about 1116.7006237638.

The spelling of 1392548328 in words is "one billion, three hundred ninety-two million, five hundred forty-eight thousand, three hundred twenty-eight".