1949418 has 12 divisors (see below), whose sum is σ = 4223778. Its totient is φ = 649800.

The previous prime is 1949417. The next prime is 1949459. The reversal of 1949418 is 8149491.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 710649 = 1113^2 + 843^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1949417) 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, 54133 + ... + 54168.

2^1949418 is an apocalyptic number.

1949418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1949418 is an abundant number, since it is smaller than the sum of its proper divisors (2274360).

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

1949418 is a wasteful number, since it uses less digits than its factorization.

1949418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108309 (or 108306 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1949418 is about 1396.2155993972. The cubic root of 1949418 is about 124.9208672480.

The spelling of 1949418 in words is "one million, nine hundred forty-nine thousand, four hundred eighteen".