1648874 has 4 divisors (see below), whose sum is σ = 2473314. Its totient is φ = 824436.

The previous prime is 1648837. The next prime is 1648879. The reversal of 1648874 is 4788461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 225625 = 1193^2 + 475^2 .

It is not an unprimeable number, because it can be changed into a prime (1648879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412217 + ... + 412220.

2^1648874 is an apocalyptic number.

1648874 is a deficient number, since it is larger than the sum of its proper divisors (824440).

1648874 is an equidigital number, since it uses as much as digits as its factorization.

1648874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824439.

The product of its digits is 43008, while the sum is 38.

The square root of 1648874 is about 1284.0848881597. The cubic root of 1648874 is about 118.1396890181.

The spelling of 1648874 in words is "one million, six hundred forty-eight thousand, eight hundred seventy-four".