890912929 has 2 divisors, whose sum is σ = 890912930. Its totient is φ = 890912928.

The previous prime is 890912887. The next prime is 890912933. The reversal of 890912929 is 929219098.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 788093329 + 102819600 = 28073^2 + 10140^2 .

It is a cyclic number.

It is not a de Polignac number, because 890912929 - 2⁷ = 890912801 is a prime.

It is not a weakly prime, because it can be changed into another prime (890912969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445456464 + 445456465.

It is an arithmetic number, because the mean of its divisors is an integer number (445456465).

Almost surely, 2^890912929 is an apocalyptic number.

It is an amenable number.

890912929 is a deficient number, since it is larger than the sum of its proper divisors (1).

890912929 is an equidigital number, since it uses as much as digits as its factorization.

890912929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 890912929 is about 29848.1645834380. The cubic root of 890912929 is about 962.2289530594.

The spelling of 890912929 in words is "eight hundred ninety million, nine hundred twelve thousand, nine hundred twenty-nine".