1396441088 has 76 divisors (see below), whose sum is σ = 3196053552. Its totient is φ = 597688320.

The previous prime is 1396441063. The next prime is 1396441091. The reversal of 1396441088 is 8801446931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834628 + ... + 1835388.

Almost surely, 2^1396441088 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 1396441088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598026776).

1396441088 is an abundant number, since it is smaller than the sum of its proper divisors (1799612464).

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

1396441088 is an frugal number, since it uses more digits than its factorization.

1396441088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1396441088 is about 37368.9856431774. The cubic root of 1396441088 is about 1117.7402054432.

The spelling of 1396441088 in words is "one billion, three hundred ninety-six million, four hundred forty-one thousand, eighty-eight".