1396291072 has 160 divisors (see below), whose sum is σ = 3217294080. Its totient is φ = 599531520.

The previous prime is 1396291063. The next prime is 1396291079. The reversal of 1396291072 is 2701926931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396291079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13556173 + ... + 13556275.

It is an arithmetic number, because the mean of its divisors is an integer number (20108088).

Almost surely, 2^1396291072 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 1396291072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608647040).

1396291072 is an abundant number, since it is smaller than the sum of its proper divisors (1821003008).

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

1396291072 is a wasteful number, since it uses less digits than its factorization.

1396291072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1396291072 is about 37366.9783632554. The cubic root of 1396291072 is about 1117.7001787113.

The spelling of 1396291072 in words is "one billion, three hundred ninety-six million, two hundred ninety-one thousand, seventy-two".