819692034 has 64 divisors (see below), whose sum is σ = 1999349760. Its totient is φ = 218816640.

The previous prime is 819692017. The next prime is 819692057. The reversal of 819692034 is 430296918.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51219 + ... + 65289.

It is an arithmetic number, because the mean of its divisors is an integer number (31239840).

Almost surely, 2^819692034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 819692034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999674880).

819692034 is an abundant number, since it is smaller than the sum of its proper divisors (1179657726).

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

819692034 is a wasteful number, since it uses less digits than its factorization.

819692034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 819692034 is about 28630.2643019585. The cubic root of 819692034 is about 935.8729715661.

The spelling of 819692034 in words is "eight hundred nineteen million, six hundred ninety-two thousand, thirty-four".