1948981326 has 8 divisors (see below), whose sum is σ = 3897962664. Its totient is φ = 649660440.

The previous prime is 1948981313. The next prime is 1948981339. The reversal of 1948981326 is 6231898491.

It is an interprime number because it is at equal distance from previous prime (1948981313) and next prime (1948981339).

It is a sphenic number, since it is the product of 3 distinct primes.

1948981326 is an admirable number.

It is a congruent number.

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, 162415105 + ... + 162415116.

It is an arithmetic number, because the mean of its divisors is an integer number (487245333).

Almost surely, 2^1948981326 is an apocalyptic number.

1948981326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1948981326 is a wasteful number, since it uses less digits than its factorization.

1948981326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324830226.

The product of its digits is 746496, while the sum is 51.

The square root of 1948981326 is about 44147.2686131317. The cubic root of 1948981326 is about 1249.1153903336.

The spelling of 1948981326 in words is "one billion, nine hundred forty-eight million, nine hundred eighty-one thousand, three hundred twenty-six".