1396441087 has 8 divisors (see below), whose sum is σ = 1458493200. Its totient is φ = 1335668544.

The previous prime is 1396441063. The next prime is 1396441091. The reversal of 1396441087 is 7801446931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1396441087 - 2¹¹ = 1396439039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396441187) 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, 317662 + ... + 322027.

It is an arithmetic number, because the mean of its divisors is an integer number (182311650).

Almost surely, 2^1396441087 is an apocalyptic number.

1396441087 is a deficient number, since it is larger than the sum of its proper divisors (62052113).

1396441087 is an equidigital number, since it uses as much as digits as its factorization.

1396441087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639785.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1396441087 is about 37368.9856297973. The cubic root of 1396441087 is about 1117.7402051764.

The spelling of 1396441087 in words is "one billion, three hundred ninety-six million, four hundred forty-one thousand, eighty-seven".