1934809254 has 192 divisors, whose sum is σ = 5377881600. Its totient is φ = 508923648.

The previous prime is 1934809241. The next prime is 1934809259. The reversal of 1934809254 is 4529084391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934809259) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2391202 + ... + 2392010.

It is an arithmetic number, because the mean of its divisors is an integer number (28009800).

Almost surely, 2^1934809254 is an apocalyptic number.

1934809254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1934809254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688940800).

1934809254 is an abundant number, since it is smaller than the sum of its proper divisors (3443072346).

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

1934809254 is a wasteful number, since it uses less digits than its factorization.

1934809254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1934809254 is about 43986.4667142065. The cubic root of 1934809254 is about 1246.0803628559.

The spelling of 1934809254 in words is "one billion, nine hundred thirty-four million, eight hundred nine thousand, two hundred fifty-four".