1283392 has 28 divisors (see below), whose sum is σ = 2779776. Its totient is φ = 583040.

The previous prime is 1283389. The next prime is 1283417. The reversal of 1283392 is 2933821.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1283392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 1615.

2^1283392 is an apocalyptic number.

It is an amenable number.

1283392 is an abundant number, since it is smaller than the sum of its proper divisors (1496384).

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

1283392 is a wasteful number, since it uses less digits than its factorization.

1283392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846 (or 1836 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1283392 is about 1132.8689244568. The cubic root of 1283392 is about 108.6725294908.

Subtracting from 1283392 its product of digits (2592), we obtain a triangular number (1280800 = T₁₆₀₀).

The spelling of 1283392 in words is "one million, two hundred eighty-three thousand, three hundred ninety-two".