1396888229 has 8 divisors (see below), whose sum is σ = 1524169920. Its totient is φ = 1269655200.

The previous prime is 1396888223. The next prime is 1396888243. The reversal of 1396888229 is 9228886931.

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

It is a de Polignac number, because none of the positive numbers 2^k-1396888229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396888223) 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, 75137 + ... + 91865.

It is an arithmetic number, because the mean of its divisors is an integer number (190521240).

Almost surely, 2^1396888229 is an apocalyptic number.

It is an amenable number.

1396888229 is a deficient number, since it is larger than the sum of its proper divisors (127281691).

1396888229 is a wasteful number, since it uses less digits than its factorization.

1396888229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24331.

The product of its digits is 2985984, while the sum is 56.

The square root of 1396888229 is about 37374.9679464745. The cubic root of 1396888229 is about 1117.8594930005.

The spelling of 1396888229 in words is "one billion, three hundred ninety-six million, eight hundred eighty-eight thousand, two hundred twenty-nine".