1493788 has 6 divisors (see below), whose sum is σ = 2614136. Its totient is φ = 746892.

The previous prime is 1493783. The next prime is 1493813. The reversal of 1493788 is 8873941.

It is a self number, because there is not a number n which added to its sum of digits gives 1493788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493783) by changing a digit.

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 as a sum of consecutive naturals, namely, 186720 + ... + 186727.

2^1493788 is an apocalyptic number.

It is an amenable number.

1493788 is a deficient number, since it is larger than the sum of its proper divisors (1120348).

1493788 is a wasteful number, since it uses less digits than its factorization.

1493788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373451 (or 373449 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 1493788 is about 1222.2062019152. The cubic root of 1493788 is about 114.3131841706.

The spelling of 1493788 in words is "one million, four hundred ninety-three thousand, seven hundred eighty-eight".