1229284896 has 48 divisors (see below), whose sum is σ = 3687856704. Its totient is φ = 351224064.

The previous prime is 1229284891. The next prime is 1229284897. The reversal of 1229284896 is 6984829221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1229284896² = 3022282711067461632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1229284891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913975 + ... + 915318.

It is an arithmetic number, because the mean of its divisors is an integer number (76830348).

Almost surely, 2^1229284896 is an apocalyptic number.

1229284896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1229284896 is an abundant number, since it is smaller than the sum of its proper divisors (2458571808).

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

1229284896 is a wasteful number, since it uses less digits than its factorization.

1229284896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829313 (or 1829305 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 1229284896 is about 35061.1593647443. The cubic root of 1229284896 is about 1071.2335893466.

The spelling of 1229284896 in words is "one billion, two hundred twenty-nine million, two hundred eighty-four thousand, eight hundred ninety-six".