802197906 has 8 divisors (see below), whose sum is σ = 1604395824. Its totient is φ = 267399300.

The previous prime is 802197863. The next prime is 802197931. The reversal of 802197906 is 609791208.

It is a sphenic number, since it is the product of 3 distinct primes.

802197906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66849820 + ... + 66849831.

It is an arithmetic number, because the mean of its divisors is an integer number (200549478).

Almost surely, 2^802197906 is an apocalyptic number.

802197906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

802197906 is a wasteful number, since it uses less digits than its factorization.

802197906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133699656.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 802197906 is about 28323.0984533825. The cubic root of 802197906 is about 929.1671373437.

The spelling of 802197906 in words is "eight hundred two million, one hundred ninety-seven thousand, nine hundred six".