805021492 has 24 divisors (see below), whose sum is σ = 1550469312. Its totient is φ = 362678400.

The previous prime is 805021471. The next prime is 805021531. The reversal of 805021492 is 294120508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75984 + ... + 85927.

It is an arithmetic number, because the mean of its divisors is an integer number (64602888).

Almost surely, 2^805021492 is an apocalyptic number.

It is an amenable number.

805021492 is a deficient number, since it is larger than the sum of its proper divisors (745447820).

805021492 is a wasteful number, since it uses less digits than its factorization.

805021492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162039 (or 162037 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 805021492 is about 28372.9006624279. The cubic root of 805021492 is about 930.2560253985.

The spelling of 805021492 in words is "eight hundred five million, twenty-one thousand, four hundred ninety-two".