1497664 has 28 divisors (see below), whose sum is σ = 3397504. Its totient is φ = 641664.

The previous prime is 1497659. The next prime is 1497667. The reversal of 1497664 is 4667941.

It is a tau number, because it is divible by the number of its divisors (28).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1497667) 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, 1224 + ... + 2119.

2^1497664 is an apocalyptic number.

1497664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1497664 is an abundant number, since it is smaller than the sum of its proper divisors (1899840).

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

1497664 is an equidigital number, since it uses as much as digits as its factorization.

1497664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3352 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 1497664 is about 1223.7908318009. The cubic root of 1497664 is about 114.4119699930.

The spelling of 1497664 in words is "one million, four hundred ninety-seven thousand, six hundred sixty-four".