1491450 has 48 divisors (see below), whose sum is σ = 3782496. Its totient is φ = 388800.

The previous prime is 1491449. The next prime is 1491491. The reversal of 1491450 is 541941.

It is a self number, because there is not a number n which added to its sum of digits gives 1491450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9069 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (78802).

2^1491450 is an apocalyptic number.

1491450 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 1491450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891248).

1491450 is an abundant number, since it is smaller than the sum of its proper divisors (2291046).

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

1491450 is a wasteful number, since it uses less digits than its factorization.

1491450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1491450 is about 1221.2493602864. The cubic root of 1491450 is about 114.2535139938.

The spelling of 1491450 in words is "one million, four hundred ninety-one thousand, four hundred fifty".