890969912 has 64 divisors (see below), whose sum is σ = 1944829440. Its totient is φ = 374774400.

The previous prime is 890969873. The next prime is 890969921. The reversal of 890969912 is 219969098.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315718 + ... + 1316394.

It is an arithmetic number, because the mean of its divisors is an integer number (30387960).

Almost surely, 2^890969912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890969912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972414720).

890969912 is an abundant number, since it is smaller than the sum of its proper divisors (1053859528).

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

890969912 is a wasteful number, since it uses less digits than its factorization.

890969912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 890969912 is about 29849.1191159806. The cubic root of 890969912 is about 962.2494674186.

The spelling of 890969912 in words is "eight hundred ninety million, nine hundred sixty-nine thousand, nine hundred twelve".