1396768860 has 288 divisors, whose sum is σ = 4633853952. Its totient is φ = 352719360.

The previous prime is 1396768843. The next prime is 1396768873. The reversal of 1396768860 is 688676931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1396768797 and 1396768806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10998117 + ... + 10998243.

Almost surely, 2^1396768860 is an apocalyptic number.

1396768860 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 1396768860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2316926976).

1396768860 is an abundant number, since it is smaller than the sum of its proper divisors (3237085092).

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

1396768860 is a wasteful number, since it uses less digits than its factorization.

1396768860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 1396768860 is about 37373.3710012891. The cubic root of 1396768860 is about 1117.8276504216.

The spelling of 1396768860 in words is "one billion, three hundred ninety-six million, seven hundred sixty-eight thousand, eight hundred sixty".