1396888224 has 48 divisors (see below), whose sum is σ = 3668988960. Its totient is φ = 465355520.

The previous prime is 1396888223. The next prime is 1396888243. The reversal of 1396888224 is 4228886931.

It is a tau number, because it is divible by the number of its divisors (48).

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, 221434 + ... + 227654.

It is an arithmetic number, because the mean of its divisors is an integer number (76437270).

Almost surely, 2^1396888224 is an apocalyptic number.

It is an amenable number.

1396888224 is an abundant number, since it is smaller than the sum of its proper divisors (2272100736).

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

1396888224 is a wasteful number, since it uses less digits than its factorization.

1396888224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8573 (or 8565 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 1396888224 is about 37374.9678795849. The cubic root of 1396888224 is about 1117.8594916667.

The spelling of 1396888224 in words is "one billion, three hundred ninety-six million, eight hundred eighty-eight thousand, two hundred twenty-four".