1397560260 has 48 divisors (see below), whose sum is σ = 3915196992. Its totient is φ = 372489600.

The previous prime is 1397560223. The next prime is 1397560267. The reversal of 1397560260 is 620657931.

It is not an unprimeable number, because it can be changed into a prime (1397560267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139830 + ... + 149490.

It is an arithmetic number, because the mean of its divisors is an integer number (81566604).

Almost surely, 2^1397560260 is an apocalyptic number.

1397560260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397560260 is an abundant number, since it is smaller than the sum of its proper divisors (2517636732).

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

1397560260 is a wasteful number, since it uses less digits than its factorization.

1397560260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084 (or 12082 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 1397560260 is about 37383.9572544160. The cubic root of 1397560260 is about 1118.0387284798.

The spelling of 1397560260 in words is "one billion, three hundred ninety-seven million, five hundred sixty thousand, two hundred sixty".