1396070244 has 72 divisors (see below), whose sum is σ = 3711681792. Its totient is φ = 441829440.

The previous prime is 1396070197. The next prime is 1396070279. The reversal of 1396070244 is 4420706931.

1396070244 is a `hidden beast` number, since 1 + 3 + 9 + 607 + 0 + 2 + 44 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1396070199 and 1396070208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47347 + ... + 70949.

It is an arithmetic number, because the mean of its divisors is an integer number (51551136).

Almost surely, 2^1396070244 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 1396070244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855840896).

1396070244 is an abundant number, since it is smaller than the sum of its proper divisors (2315611548).

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

1396070244 is a wasteful number, since it uses less digits than its factorization.

1396070244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23697 (or 23692 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1396070244 is about 37364.0233914925. The cubic root of 1396070244 is about 1117.6412529584.

The spelling of 1396070244 in words is "one billion, three hundred ninety-six million, seventy thousand, two hundred forty-four".