1285794474 has 32 divisors (see below), whose sum is σ = 2656437120. Its totient is φ = 414591552.

The previous prime is 1285794449. The next prime is 1285794487. The reversal of 1285794474 is 4744975821.

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, 21667 + ... + 55145.

It is an arithmetic number, because the mean of its divisors is an integer number (83013660).

Almost surely, 2^1285794474 is an apocalyptic number.

1285794474 is an abundant number, since it is smaller than the sum of its proper divisors (1370642646).

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

1285794474 is a wasteful number, since it uses less digits than its factorization.

1285794474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33694.

The product of its digits is 2257920, while the sum is 51.

The square root of 1285794474 is about 35857.9764348185. The cubic root of 1285794474 is about 1087.4029786876.

The spelling of 1285794474 in words is "one billion, two hundred eighty-five million, seven hundred ninety-four thousand, four hundred seventy-four".