1391362896 has 160 divisors (see below), whose sum is σ = 4496283648. Its totient is φ = 360184320.

The previous prime is 1391362891. The next prime is 1391362901. The reversal of 1391362896 is 6982631931.

It is an interprime number because it is at equal distance from previous prime (1391362891) and next prime (1391362901).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391362891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1799566 + ... + 1800338.

Almost surely, 2^1391362896 is an apocalyptic number.

1391362896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1391362896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248141824).

1391362896 is an abundant number, since it is smaller than the sum of its proper divisors (3104920752).

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

1391362896 is a wasteful number, since it uses less digits than its factorization.

1391362896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1283 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 1391362896 is about 37300.9771453778. The cubic root of 1391362896 is about 1116.3836632597.

The spelling of 1391362896 in words is "one billion, three hundred ninety-one million, three hundred sixty-two thousand, eight hundred ninety-six".