1392048 has 60 divisors (see below), whose sum is σ = 4455568. Its totient is φ = 397440.

The previous prime is 1392007. The next prime is 1392089. The reversal of 1392048 is 8402931.

It is an interprime number because it is at equal distance from previous prime (1392007) and next prime (1392089).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318 + ... + 1698.

2^1392048 is an apocalyptic number.

1392048 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 1392048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227784).

1392048 is an abundant number, since it is smaller than the sum of its proper divisors (3063520).

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

1392048 is a wasteful number, since it uses less digits than its factorization.

1392048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1392048 is about 1179.8508380300. The cubic root of 1392048 is about 111.6566868139.

Adding to 1392048 its reverse (8402931), we get a palindrome (9794979).

It can be divided in two parts, 139 and 2048, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1392048 in words is "one million, three hundred ninety-two thousand, forty-eight".