1395211916 has 96 divisors (see below), whose sum is σ = 2962993152. Its totient is φ = 562360320.

The previous prime is 1395211897. The next prime is 1395211921. The reversal of 1395211916 is 6191125931.

It is a super-3 number, since 3×1395211916³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1395211916.

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, 6146195 + ... + 6146421.

It is an arithmetic number, because the mean of its divisors is an integer number (30864512).

Almost surely, 2^1395211916 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 1395211916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1481496576).

1395211916 is an abundant number, since it is smaller than the sum of its proper divisors (1567781236).

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

1395211916 is a wasteful number, since it uses less digits than its factorization.

1395211916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its digits is 14580, while the sum is 38.

The square root of 1395211916 is about 37352.5356033563. The cubic root of 1395211916 is about 1117.4121576457.

The spelling of 1395211916 in words is "one billion, three hundred ninety-five million, two hundred eleven thousand, nine hundred sixteen".