4671990 has 96 divisors (see below), whose sum is σ = 13231296. Its totient is φ = 1140480.

The previous prime is 4671983. The next prime is 4672001. The reversal of 4671990 is 991764.

4671990 is a `hidden beast` number, since 467 + 199 + 0 = 666.

4671990 is nontrivially palindromic in base 14.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 76560 + ... + 76620.

It is an arithmetic number, because the mean of its divisors is an integer number (137826).

Almost surely, 2^4671990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4671990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6615648).

4671990 is an abundant number, since it is smaller than the sum of its proper divisors (8559306).

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

4671990 is a wasteful number, since it uses less digits than its factorization.

4671990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 4671990 is about 2161.4786605470. The cubic root of 4671990 is about 167.1734485818.

The spelling of 4671990 in words is "four million, six hundred seventy-one thousand, nine hundred ninety".