4491850 has 24 divisors (see below), whose sum is σ = 9115488. Its totient is φ = 1633200.

The previous prime is 4491841. The next prime is 4491871. The reversal of 4491850 is 581944.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3534 + ... + 4633.

It is an arithmetic number, because the mean of its divisors is an integer number (379812).

Almost surely, 2^4491850 is an apocalyptic number.

4491850 is an abundant number, since it is smaller than the sum of its proper divisors (4623638).

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

4491850 is a wasteful number, since it uses less digits than its factorization.

4491850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4491850 is about 2119.3984995748. The cubic root of 4491850 is about 164.9966329279.

The spelling of 4491850 in words is "four million, four hundred ninety-one thousand, eight hundred fifty".