830891612 has 6 divisors (see below), whose sum is σ = 1454060328. Its totient is φ = 415445804.

The previous prime is 830891597. The next prime is 830891617. The reversal of 830891612 is 216198038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830891617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103861448 + ... + 103861455.

It is an arithmetic number, because the mean of its divisors is an integer number (242343388).

Almost surely, 2^830891612 is an apocalyptic number.

It is an amenable number.

830891612 is a deficient number, since it is larger than the sum of its proper divisors (623168716).

830891612 is a wasteful number, since it uses less digits than its factorization.

830891612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207722907 (or 207722905 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 830891612 is about 28825.1905804628. The cubic root of 830891612 is about 940.1160306445.

The spelling of 830891612 in words is "eight hundred thirty million, eight hundred ninety-one thousand, six hundred twelve".