192920897 has 8 divisors (see below), whose sum is σ = 207936960. Its totient is φ = 177930000.

The previous prime is 192920891. The next prime is 192920909. The reversal of 192920897 is 798029291.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 192920897 - 2⁴ = 192920881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192920891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11522 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (25992120).

Almost surely, 2^192920897 is an apocalyptic number.

It is an amenable number.

192920897 is a deficient number, since it is larger than the sum of its proper divisors (15016063).

192920897 is a wasteful number, since it uses less digits than its factorization.

192920897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12583.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 192920897 is about 13889.5967184076. The cubic root of 192920897 is about 577.8206930552.

The spelling of 192920897 in words is "one hundred ninety-two million, nine hundred twenty thousand, eight hundred ninety-seven".