1284934814 has 4 divisors (see below), whose sum is σ = 1927402224. Its totient is φ = 642467406.

The previous prime is 1284934769. The next prime is 1284934823. The reversal of 1284934814 is 4184394821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4184394821 = 73 ⋅57320477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321233702 + ... + 321233705.

It is an arithmetic number, because the mean of its divisors is an integer number (481850556).

Almost surely, 2^1284934814 is an apocalyptic number.

1284934814 is a deficient number, since it is larger than the sum of its proper divisors (642467410).

1284934814 is an equidigital number, since it uses as much as digits as its factorization.

1284934814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642467409.

The product of its digits is 221184, while the sum is 44.

The square root of 1284934814 is about 35845.9874183987. The cubic root of 1284934814 is about 1087.1605850364.

The spelling of 1284934814 in words is "one billion, two hundred eighty-four million, nine hundred thirty-four thousand, eight hundred fourteen".