1494090 has 48 divisors (see below), whose sum is σ = 4186728. Its totient is φ = 367488.

The previous prime is 1494089. The next prime is 1494133. The reversal of 1494090 is 904941.

It can be written as a sum of positive squares in 4 ways, for example, as 1046529 + 447561 = 1023^2 + 669^2 .

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, 532 + ... + 1808.

2^1494090 is an apocalyptic number.

1494090 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 1494090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093364).

1494090 is an abundant number, since it is smaller than the sum of its proper divisors (2692638).

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

1494090 is a wasteful number, since it uses less digits than its factorization.

1494090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1494090 is about 1222.3297427454. The cubic root of 1494090 is about 114.3208872394.

The spelling of 1494090 in words is "one million, four hundred ninety-four thousand, ninety".