1605248 has 16 divisors (see below), whose sum is σ = 3198210. Its totient is φ = 802560.

The previous prime is 1605217. The next prime is 1605257. The reversal of 1605248 is 8425061.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 506944 = 1048^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1605248² = 5153642283008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143 + ... + 6398.

2^1605248 is an apocalyptic number.

It is an amenable number.

1605248 is a deficient number, since it is larger than the sum of its proper divisors (1592962).

1605248 is an equidigital number, since it uses as much as digits as its factorization.

1605248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555 (or 12543 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1605248 is about 1266.9838199440. The cubic root of 1605248 is about 117.0884470129.

The spelling of 1605248 in words is "one million, six hundred five thousand, two hundred forty-eight".