1384992 has 96 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 393984.

The previous prime is 1384979. The next prime is 1384993. The reversal of 1384992 is 2994831.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384993) 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, 5934 + ... + 6162.

It is an arithmetic number, because the mean of its divisors is an integer number (48300).

2^1384992 is an apocalyptic number.

1384992 is a gapful number since it is divisible by the number (12) 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 1384992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318400).

1384992 is an abundant number, since it is smaller than the sum of its proper divisors (3251808).

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

1384992 is a wasteful number, since it uses less digits than its factorization.

1384992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1384992 is about 1176.8568307148. The cubic root of 1384992 is about 111.4677123696.

The spelling of 1384992 in words is "one million, three hundred eighty-four thousand, nine hundred ninety-two".