1379218896 has 120 divisors (see below), whose sum is σ = 4228791840. Its totient is φ = 416160000.

The previous prime is 1379218889. The next prime is 1379218913. The reversal of 1379218896 is 6988129731.

1379218896 is a `hidden beast` number, since 1 + 379 + 2 + 188 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395850 + ... + 399318.

It is an arithmetic number, because the mean of its divisors is an integer number (35239932).

Almost surely, 2^1379218896 is an apocalyptic number.

1379218896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379218896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114395920).

1379218896 is an abundant number, since it is smaller than the sum of its proper divisors (2849572944).

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

1379218896 is a wasteful number, since it uses less digits than its factorization.

1379218896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3736 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1379218896 is about 37137.8364474830. The cubic root of 1379218896 is about 1113.1261859775.

The spelling of 1379218896 in words is "one billion, three hundred seventy-nine million, two hundred eighteen thousand, eight hundred ninety-six".