1493478 has 48 divisors (see below), whose sum is σ = 3843840. Its totient is φ = 425736.

The previous prime is 1493473. The next prime is 1493483. The reversal of 1493478 is 8743941.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1493473) and next prime (1493483).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3183 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (80080).

2^1493478 is an apocalyptic number.

1493478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1921920).

1493478 is an abundant number, since it is smaller than the sum of its proper divisors (2350362).

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

1493478 is an equidigital number, since it uses as much as digits as its factorization.

1493478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 451 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1493478 is about 1222.0793754908. The cubic root of 1493478 is about 114.3052759670.

The spelling of 1493478 in words is "one million, four hundred ninety-three thousand, four hundred seventy-eight".