1934834385 has 32 divisors (see below), whose sum is σ = 3379138560. Its totient is φ = 937553600.

The previous prime is 1934834381. The next prime is 1934834399. The reversal of 1934834385 is 5834384391.

It is not a de Polignac number, because 1934834385 - 2² = 1934834381 is a prime.

It is a super-3 number, since 3×1934834385³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1934834381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552490 + ... + 555980.

It is an arithmetic number, because the mean of its divisors is an integer number (105598080).

Almost surely, 2^1934834385 is an apocalyptic number.

1934834385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1934834385 is a deficient number, since it is larger than the sum of its proper divisors (1444304175).

1934834385 is a wasteful number, since it uses less digits than its factorization.

1934834385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869.

The product of its digits is 1244160, while the sum is 48.

The square root of 1934834385 is about 43986.7523806884. The cubic root of 1934834385 is about 1246.0857578942.

The spelling of 1934834385 in words is "one billion, nine hundred thirty-four million, eight hundred thirty-four thousand, three hundred eighty-five".