1993392 has 60 divisors (see below), whose sum is σ = 5674240. Its totient is φ = 653184.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993392 is 2933991.

It is an interprime number because it is at equal distance from previous prime (1993367) and next prime (1993417).

It is a super-2 number, since 2×1993392² = 7947223331328, which contains 22 as substring.

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 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, 15633 + ... + 15759.

2^1993392 is an apocalyptic number.

1993392 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 1993392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837120).

1993392 is an abundant number, since it is smaller than the sum of its proper divisors (3680848).

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

1993392 is a wasteful number, since it uses less digits than its factorization.

1993392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 241 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 1993392 is about 1411.8753486055. The cubic root of 1993392 is about 125.8531925831.

The spelling of 1993392 in words is "one million, nine hundred ninety-three thousand, three hundred ninety-two".