1949850 has 72 divisors (see below), whose sum is σ = 5996640. Its totient is φ = 444960.

The previous prime is 1949839. The next prime is 1949881. The reversal of 1949850 is 589491.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2841 + ... + 3459.

2^1949850 is an apocalyptic number.

1949850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998320).

1949850 is an abundant number, since it is smaller than the sum of its proper divisors (4046790).

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

1949850 is a wasteful number, since it uses less digits than its factorization.

1949850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 636 counting only the distinct ones).

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

The square root of 1949850 is about 1396.3702947284. The cubic root of 1949850 is about 124.9300942461.

The spelling of 1949850 in words is "one million, nine hundred forty-nine thousand, eight hundred fifty".