966423990 has 128 divisors (see below), whose sum is σ = 2825238528. Its totient is φ = 206530560.

The previous prime is 966423967. The next prime is 966424001. The reversal of 966423990 is 99324669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 595380 + ... + 597000.

It is an arithmetic number, because the mean of its divisors is an integer number (22072176).

Almost surely, 2^966423990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 966423990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412619264).

966423990 is an abundant number, since it is smaller than the sum of its proper divisors (1858814538).

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

966423990 is a wasteful number, since it uses less digits than its factorization.

966423990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 966423990 is about 31087.3606148866. The cubic root of 966423990 is about 988.6803455700.

The spelling of 966423990 in words is "nine hundred sixty-six million, four hundred twenty-three thousand, nine hundred ninety".