899340097 has 2 divisors, whose sum is σ = 899340098. Its totient is φ = 899340096.

The previous prime is 899340077. The next prime is 899340131. The reversal of 899340097 is 790043998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703787841 + 195552256 = 26529^2 + 13984^2 .

It is a cyclic number.

It is not a de Polignac number, because 899340097 - 2¹¹ = 899338049 is a prime.

It is a super-2 number, since 2×899340097² = 1617625220143938818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 899340097.

It is not a weakly prime, because it can be changed into another prime (899340007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449670048 + 449670049.

It is an arithmetic number, because the mean of its divisors is an integer number (449670049).

Almost surely, 2^899340097 is an apocalyptic number.

It is an amenable number.

899340097 is a deficient number, since it is larger than the sum of its proper divisors (1).

899340097 is an equidigital number, since it uses as much as digits as its factorization.

899340097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 899340097 is about 29988.9995998533. Note that the first 3 decimals coincide. The cubic root of 899340097 is about 965.2533530780.

The spelling of 899340097 in words is "eight hundred ninety-nine million, three hundred forty thousand, ninety-seven".