1949922 has 36 divisors (see below), whose sum is σ = 4581954. Its totient is φ = 599040.

The previous prime is 1949911. The next prime is 1949929. The reversal of 1949922 is 2299491.

It can be written as a sum of positive squares in 3 ways, for example, as 1418481 + 531441 = 1191^2 + 729^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2722 + ... + 3362.

2^1949922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290977).

1949922 is an abundant number, since it is smaller than the sum of its proper divisors (2632032).

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

1949922 is a wasteful number, since it uses less digits than its factorization.

1949922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 659 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 1949922 is about 1396.3960756175. The cubic root of 1949922 is about 124.9316319466.

The spelling of 1949922 in words is "one million, nine hundred forty-nine thousand, nine hundred twenty-two".