1383966948 has 96 divisors (see below), whose sum is σ = 4147347456. Its totient is φ = 349126272.

The previous prime is 1383966937. The next prime is 1383966959. The reversal of 1383966948 is 8496693831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1383966937) and next prime (1383966959).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2436 + ... + 52667.

It is an arithmetic number, because the mean of its divisors is an integer number (43201536).

Almost surely, 2^1383966948 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 1383966948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2073673728).

1383966948 is an abundant number, since it is smaller than the sum of its proper divisors (2763380508).

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

1383966948 is a wasteful number, since it uses less digits than its factorization.

1383966948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55153 (or 55151 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 1383966948 is about 37201.7062511923. The cubic root of 1383966948 is about 1114.4020597686.

The spelling of 1383966948 in words is "one billion, three hundred eighty-three million, nine hundred sixty-six thousand, nine hundred forty-eight".