8491950 has 72 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 2231040.

The previous prime is 8491949. The next prime is 8491963. The reversal of 8491950 is 591948.

It is a super-2 number, since 2×8491950² = 144226429605000, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 35 ways as a sum of consecutive naturals, for example, 50767 + ... + 50933.

It is an arithmetic number, because the mean of its divisors is an integer number (321594).

Almost surely, 2^8491950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8491950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11577384).

8491950 is an abundant number, since it is smaller than the sum of its proper divisors (14662818).

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

8491950 is a wasteful number, since it uses less digits than its factorization.

8491950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 8491950 is about 2914.0950567886. The cubic root of 8491950 is about 204.0183086221.

The spelling of 8491950 in words is "eight million, four hundred ninety-one thousand, nine hundred fifty".