890690816 has 36 divisors (see below), whose sum is σ = 1871486400. Its totient is φ = 421903872.

The previous prime is 890690813. The next prime is 890690851. The reversal of 890690816 is 618096098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890690813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86696 + ... + 96423.

Almost surely, 2^890690816 is an apocalyptic number.

It is an amenable number.

890690816 is an abundant number, since it is smaller than the sum of its proper divisors (980795584).

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

890690816 is a wasteful number, since it uses less digits than its factorization.

890690816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183154 (or 183140 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 890690816 is about 29844.4436369653. The cubic root of 890690816 is about 962.1489821606.

The spelling of 890690816 in words is "eight hundred ninety million, six hundred ninety thousand, eight hundred sixteen".