1393348860 has 72 divisors (see below), whose sum is σ = 4249941696. Its totient is φ = 369498240.

The previous prime is 1393348843. The next prime is 1393348867. The reversal of 1393348860 is 688433931.

1393348860 is a `hidden beast` number, since 139 + 33 + 488 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393348867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11197 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (59026968).

Almost surely, 2^1393348860 is an apocalyptic number.

1393348860 is a gapful number since it is divisible by the number (10) 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 1393348860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124970848).

1393348860 is an abundant number, since it is smaller than the sum of its proper divisors (2856592836).

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

1393348860 is a wasteful number, since it uses less digits than its factorization.

1393348860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42963 (or 42958 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1393348860 is about 37327.5884567969. The cubic root of 1393348860 is about 1116.9145680649.

The spelling of 1393348860 in words is "one billion, three hundred ninety-three million, three hundred forty-eight thousand, eight hundred sixty".