1421838368 has 96 divisors (see below), whose sum is σ = 2957834880. Its totient is φ = 672122880.

The previous prime is 1421838359. The next prime is 1421838377. The reversal of 1421838368 is 8638381241.

It is an interprime number because it is at equal distance from previous prime (1421838359) and next prime (1421838377).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10853663 + ... + 10853793.

It is an arithmetic number, because the mean of its divisors is an integer number (30810780).

Almost surely, 2^1421838368 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 1421838368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478917440).

1421838368 is an abundant number, since it is smaller than the sum of its proper divisors (1535996512).

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

1421838368 is a wasteful number, since it uses less digits than its factorization.

1421838368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 362 counting only the distinct ones).

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

The square root of 1421838368 is about 37707.2720837772. The cubic root of 1421838368 is about 1124.4757044687.

The spelling of 1421838368 in words is "one billion, four hundred twenty-one million, eight hundred thirty-eight thousand, three hundred sixty-eight".