1214256384 has 108 divisors (see below), whose sum is σ = 3819352992. Its totient is φ = 367948800.

The previous prime is 1214256371. The next prime is 1214256401. The reversal of 1214256384 is 4836524121.

It is a happy number.

1214256384 is a `hidden beast` number, since 1 + 2 + 14 + 2 + 5 + 638 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389 + ... + 49299.

Almost surely, 2^1214256384 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 1214256384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909676496).

1214256384 is an abundant number, since it is smaller than the sum of its proper divisors (2605096608).

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

1214256384 is a wasteful number, since it uses less digits than its factorization.

1214256384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47944 (or 47927 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 1214256384 is about 34846.1817707479. The cubic root of 1214256384 is about 1066.8502545113.

The spelling of 1214256384 in words is "one billion, two hundred fourteen million, two hundred fifty-six thousand, three hundred eighty-four".