1326978352 has 20 divisors (see below), whose sum is σ = 2938309456. Its totient is φ = 568704960.

The previous prime is 1326978347. The next prime is 1326978377. The reversal of 1326978352 is 2538796231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923899 + ... + 5924122.

Almost surely, 2^1326978352 is an apocalyptic number.

It is an amenable number.

1326978352 is an abundant number, since it is smaller than the sum of its proper divisors (1611331104).

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

1326978352 is a wasteful number, since it uses less digits than its factorization.

1326978352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11848036 (or 11848030 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 1326978352 is about 36427.7140649808. The cubic root of 1326978352 is about 1098.8909902715.

The spelling of 1326978352 in words is "one billion, three hundred twenty-six million, nine hundred seventy-eight thousand, three hundred fifty-two".