1409850 has 72 divisors (see below), whose sum is σ = 4096092. Its totient is φ = 345600.

The previous prime is 1409843. The next prime is 1409851. The reversal of 1409850 is 589041.

It can be written as a sum of positive squares in 6 ways, for example, as 423801 + 986049 = 651^2 + 993^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1409851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5730 + ... + 5970.

2^1409850 is an apocalyptic number.

1409850 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 1409850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048046).

1409850 is an abundant number, since it is smaller than the sum of its proper divisors (2686242).

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

1409850 is a wasteful number, since it uses less digits than its factorization.

1409850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1409850 is about 1187.3710456298. The cubic root of 1409850 is about 112.1306404995.

The spelling of 1409850 in words is "one million, four hundred nine thousand, eight hundred fifty".