1493894 has 8 divisors (see below), whose sum is σ = 2358840. Its totient is φ = 707616.

The previous prime is 1493879. The next prime is 1493903. The reversal of 1493894 is 4983941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 39313 = 1493894 / (1 + 4 + 9 + 3 + 8 + 9 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19619 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (294855).

2^1493894 is an apocalyptic number.

1493894 is a deficient number, since it is larger than the sum of its proper divisors (864946).

1493894 is a wasteful number, since it uses less digits than its factorization.

1493894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39334.

The product of its digits is 31104, while the sum is 38.

The square root of 1493894 is about 1222.2495653507. The cubic root of 1493894 is about 114.3158880150.

Subtracting from 1493894 its sum of digits (38), we obtain a triangular number (1493856 = T₁₇₂₈).

The spelling of 1493894 in words is "one million, four hundred ninety-three thousand, eight hundred ninety-four".