1283408 has 30 divisors (see below), whose sum is σ = 2894346. Its totient is φ = 549696.

The previous prime is 1283389. The next prime is 1283417. The reversal of 1283408 is 8043821.

It can be written as a sum of positive squares in only one way, i.e., 753424 + 529984 = 868^2 + 728^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35 + ... + 1602.

2^1283408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447173).

1283408 is an abundant number, since it is smaller than the sum of its proper divisors (1610938).

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

1283408 is a wasteful number, since it uses less digits than its factorization.

1283408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1283408 is about 1132.8759861521. The cubic root of 1283408 is about 108.6729810943.

The spelling of 1283408 in words is "one million, two hundred eighty-three thousand, four hundred eight".