1604248 has 32 divisors (see below), whose sum is σ = 3170160. Its totient is φ = 760320.

The previous prime is 1604243. The next prime is 1604263. The reversal of 1604248 is 8424061.

It is a super-2 number, since 2×1604248² = 5147223291008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21940 + ... + 22012.

2^1604248 is an apocalyptic number.

It is an amenable number.

1604248 is a deficient number, since it is larger than the sum of its proper divisors (1565912).

1604248 is a wasteful number, since it uses less digits than its factorization.

1604248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1604248 is about 1266.5891204333. The cubic root of 1604248 is about 117.0641282848.

The spelling of 1604248 in words is "one million, six hundred four thousand, two hundred forty-eight".