1009450 has 24 divisors (see below), whose sum is σ = 2023308. Its totient is φ = 372480.

The previous prime is 1009439. The next prime is 1009457. The reversal of 1009450 is 549001.

It can be written as a sum of positive squares in 6 ways, for example, as 47089 + 962361 = 217^2 + 981^2 .

It is not an unprimeable number, because it can be changed into a prime (1009457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 1426.

2^1009450 is an apocalyptic number.

1009450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009450 is an abundant number, since it is smaller than the sum of its proper divisors (1013858).

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

1009450 is a wasteful number, since it uses less digits than its factorization.

1009450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1009450 is about 1004.7138896223. The cubic root of 1009450 is about 100.3140129267.

The spelling of 1009450 in words is "one million, nine thousand, four hundred fifty".