1396441089 has 12 divisors (see below), whose sum is σ = 2086636500. Its totient is φ = 898858464.

The previous prime is 1396441063. The next prime is 1396441091. The reversal of 1396441089 is 9801446931.

It can be written as a sum of positive squares in 2 ways, for example, as 999634689 + 396806400 = 31617^2 + 19920^2 .

It is not a de Polignac number, because 1396441089 - 2¹⁷ = 1396310017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1396441019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2674914 + ... + 2675435.

It is an arithmetic number, because the mean of its divisors is an integer number (173886375).

It is a Proth number, since it is equal to 5327 ⋅ 2¹⁸ + 1 and 5327 < 2¹⁸.

Almost surely, 2^1396441089 is an apocalyptic number.

It is an amenable number.

1396441089 is a deficient number, since it is larger than the sum of its proper divisors (690195411).

1396441089 is a wasteful number, since it uses less digits than its factorization.

1396441089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350384 (or 5350381 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1396441089 is about 37368.9856565575. The cubic root of 1396441089 is about 1117.7402057100.

The spelling of 1396441089 in words is "one billion, three hundred ninety-six million, four hundred forty-one thousand, eighty-nine".