1493664 has 24 divisors (see below), whose sum is σ = 3921120. Its totient is φ = 497856.

The previous prime is 1493663. The next prime is 1493677. The reversal of 1493664 is 4663941.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1493663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7684 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (163380).

2^1493664 is an apocalyptic number.

It is an amenable number.

1493664 is an abundant number, since it is smaller than the sum of its proper divisors (2427456).

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

1493664 is a wasteful number, since it uses less digits than its factorization.

1493664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572 (or 15564 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 1493664 is about 1222.1554729248. The cubic root of 1493664 is about 114.3100210205.

The spelling of 1493664 in words is "one million, four hundred ninety-three thousand, six hundred sixty-four".