491950 has 12 divisors (see below), whose sum is σ = 915120. Its totient is φ = 196760.

The previous prime is 491923. The next prime is 491951. The reversal of 491950 is 59194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4870 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (76260).

2⁴⁹¹⁹⁵⁰ is an apocalyptic number.

491950 is a deficient number, since it is larger than the sum of its proper divisors (423170).

491950 is a wasteful number, since it uses less digits than its factorization.

491950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9851 (or 9846 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 491950 is about 701.3914741427. The cubic root of 491950 is about 78.9417933685.

It can be divided in two parts, 491 and 950, that added together give a palindrome (1441).

The spelling of 491950 in words is "four hundred ninety-one thousand, nine hundred fifty".