1284080406 has 32 divisors (see below), whose sum is σ = 2938457088. Its totient is φ = 366453120.

The previous prime is 1284080383. The next prime is 1284080417. The reversal of 1284080406 is 6040804821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19651 + ... + 54353.

It is an arithmetic number, because the mean of its divisors is an integer number (91826784).

Almost surely, 2^1284080406 is an apocalyptic number.

1284080406 is an abundant number, since it is smaller than the sum of its proper divisors (1654376682).

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

1284080406 is a wasteful number, since it uses less digits than its factorization.

1284080406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35596.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1284080406 is about 35834.0676730957. The cubic root of 1284080406 is about 1086.9195651157.

The spelling of 1284080406 in words is "one billion, two hundred eighty-four million, eighty thousand, four hundred six".