1493688 has 64 divisors (see below), whose sum is σ = 4527360. Its totient is φ = 400896.

The previous prime is 1493683. The next prime is 1493693. The reversal of 1493688 is 8863941.

It is an interprime number because it is at equal distance from previous prime (1493683) and next prime (1493693).

It is a super-2 number, since 2×1493688² = 4462207682688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493683) 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 in 15 ways as a sum of consecutive naturals, for example, 2595 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (70740).

2^1493688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2263680).

1493688 is an abundant number, since it is smaller than the sum of its proper divisors (3033672).

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

1493688 is a wasteful number, since it uses less digits than its factorization.

1493688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 552 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1493688 is about 1222.1652916034. The cubic root of 1493688 is about 114.3106332567.

The spelling of 1493688 in words is "one million, four hundred ninety-three thousand, six hundred eighty-eight".