1396958544 has 240 divisors, whose sum is σ = 4427609472. Its totient is φ = 408748032.

The previous prime is 1396958539. The next prime is 1396958557. The reversal of 1396958544 is 4458596931.

1396958544 is a `hidden beast` number, since 1 + 3 + 9 + 6 + 95 + 8 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2420784 + ... + 2421360.

Almost surely, 2^1396958544 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 1396958544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213804736).

1396958544 is an abundant number, since it is smaller than the sum of its proper divisors (3030650928).

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

1396958544 is a wasteful number, since it uses less digits than its factorization.

1396958544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 665 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 1396958544 is about 37375.9086043403. The cubic root of 1396958544 is about 1117.8782492068.

The spelling of 1396958544 in words is "one billion, three hundred ninety-six million, nine hundred fifty-eight thousand, five hundred forty-four".