1346981964 has 24 divisors (see below), whose sum is σ = 3175362288. Its totient is φ = 444364800.

The previous prime is 1346981963. The next prime is 1346981969. The reversal of 1346981964 is 4691896431.

It is a super-2 number, since 2×1346981964² = 3628720822682594592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1346981963) 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, 577437 + ... + 579764.

It is an arithmetic number, because the mean of its divisors is an integer number (132306762).

Almost surely, 2^1346981964 is an apocalyptic number.

It is an amenable number.

1346981964 is an abundant number, since it is smaller than the sum of its proper divisors (1828380324).

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

1346981964 is a wasteful number, since it uses less digits than its factorization.

1346981964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157305 (or 1157303 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 1346981964 is about 36701.2528941452. The cubic root of 1346981964 is about 1104.3852395578.

The spelling of 1346981964 in words is "one billion, three hundred forty-six million, nine hundred eighty-one thousand, nine hundred sixty-four".