1395941888 has 80 divisors (see below), whose sum is σ = 3095025120. Its totient is φ = 623616000.

The previous prime is 1395941887. The next prime is 1395941903. The reversal of 1395941888 is 8881495931.

It is not an unprimeable number, because it can be changed into a prime (1395941887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330188 + ... + 334388.

It is an arithmetic number, because the mean of its divisors is an integer number (38687814).

Almost surely, 2^1395941888 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 1395941888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547512560).

1395941888 is an abundant number, since it is smaller than the sum of its proper divisors (1699083232).

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

1395941888 is an equidigital number, since it uses as much as digits as its factorization.

1395941888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4273 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 56.

The square root of 1395941888 is about 37362.3057104349. The cubic root of 1395941888 is about 1117.6069995823.

The spelling of 1395941888 in words is "one billion, three hundred ninety-five million, nine hundred forty-one thousand, eight hundred eighty-eight".