1348991860 has 24 divisors (see below), whose sum is σ = 2956052736. Its totient is φ = 516135840.

The previous prime is 1348991827. The next prime is 1348991867. The reversal of 1348991860 is 681998431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348991867) 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, 1465836 + ... + 1466755.

It is an arithmetic number, because the mean of its divisors is an integer number (123168864).

Almost surely, 2^1348991860 is an apocalyptic number.

1348991860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348991860 is an abundant number, since it is smaller than the sum of its proper divisors (1607060876).

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

1348991860 is a wasteful number, since it uses less digits than its factorization.

1348991860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932623 (or 2932621 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 1348991860 is about 36728.6245318280. The cubic root of 1348991860 is about 1104.9342685251.

The spelling of 1348991860 in words is "one billion, three hundred forty-eight million, nine hundred ninety-one thousand, eight hundred sixty".