1934378448 has 40 divisors (see below), whose sum is σ = 5260154400. Its totient is φ = 610856064.

The previous prime is 1934378447. The next prime is 1934378477. The reversal of 1934378448 is 8448734391.

It is a self number, because there is not a number n which added to its sum of digits gives 1934378448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934378441) 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, 1059603 + ... + 1061426.

It is an arithmetic number, because the mean of its divisors is an integer number (131503860).

Almost surely, 2^1934378448 is an apocalyptic number.

It is an amenable number.

1934378448 is an abundant number, since it is smaller than the sum of its proper divisors (3325775952).

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

1934378448 is a wasteful number, since it uses less digits than its factorization.

1934378448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121059 (or 2121053 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 1934378448 is about 43981.5694126528. The cubic root of 1934378448 is about 1245.9878716119.

The spelling of 1934378448 in words is "one billion, nine hundred thirty-four million, three hundred seventy-eight thousand, four hundred forty-eight".